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The Influence of Competitive Advantage on Financial Performance: A Case Study of SMEs in Vietnam

  • NGUYEN, Hoan (Faculty of Economics, Natural Resources and Environment, Hanoi University of Natural Resources and Environment) ;
  • TRAN, Thi Hoang Mai (Faculty of Economics, Vinh University) ;
  • NGUYEN, Thi Hai Yen (Faculty of Economics, Vinh University) ;
  • TRUONG, Duc Dinh (Faculty of Accounting, University of Labor and Social Affairs)
  • Received : 2021.01.15
  • Accepted : 2021.04.01
  • Published : 2021.05.30

Abstract

Profit generation is one of the main goals of small- and medium-sized enterprises (SMEs). SMEs have deployed a number of solutions to increase profits, including solutions to improve their financial advantage. The question is how to help SMEs make better and more effective decisions to improve their competitive advantage in order to improve their financial performance. The aim of this research is to examine the impact of competitive advantage on financial performance in small- and medium-sized enterprises (SMEs) in Hanoi. A survey of 120 accountants, sales staff and boards of directors of SMEs was conducted to collect data. Through quantity methodology, we used Cronbach's Alpha, EFA and correlation analysis to determine the relationship between competitive advantage and dependent variable - financial performance. The results showed that the competitive advantage had a positive relationship with financial performance. There is not, statistically, significant difference in the level of financial performance in SMEs in Hanoi in terms of genders and between the mentioned three groups of job descriptions. From the findings, this study suggests several recommendations to improve financial performance such as increase sales and increase profits. The results are considered as a useful reference for establishing policies to attract customers toward sustainable development of firms.

Keywords

1. Introduction

Porter (1980) argued that competition is about gaining market shares. The nature of competition is to find profits, which are higher than the average profit that the enterprise currently has. The result of the competitive process is that profits are averaged in the industry with a deep improvement, leading to a decrease in prices.

When an enterprise has something that other competitors do not have, which means it performs better than competitors, or can do things that other competitors cannot or can hardly do, the enterprise gains a competitive advantage. Competitive advantage is the value that an enterprise brings to its customers that exceeds the cost of creating it (Porter, 1985).

Competitive advantage is what makes an enterprise stand out, while other competitors don’t. As a result, enterprises will have better results compared to other enterprises. This is a must-have factor to help the enterprise succeed and survive for a long time, which is different from competitors. Competitive advantages that exist in the enterprise will bring benefits such as cost advantage, bringing benefits far beyond competitive products. As can be seen, this factor helps the enterprise provide high value to its customers. From there, it will be generating greater profits for the enterprise itself.

The financial aspects of the performance have been employed to a greater extent in order to gauge the performance of the businesses not in SMEs, but in also larger firms as they manifest the accomplishment of the economic objectives of the firm (Murphy et al., 1996). Financial performance is the degree to which financial goals are being or have been achieved (Pimpong & Laryea, 2016).

Profits are one of the main goals of SMEs. These have deployed a number of solutions to increase profits, including solutions to improve their financial advantage. The question of how to help SMEs make better and more effective decisions to improve their competitive advantage in order to improve their financial performance is not only meaningful to managers, but also a very important topic for researchers.

SMEs have shown the importance of the development strategy of the socialist-oriented market economy in Vietnam. SMEs have contributed over 40% of GDP and created 50% of jobs nationwide. However, in recent years, there has been an increase in the number of SMEs that have been dissolved and shut down due to lack of capital, lack of management skills, or that have not fully exploited the competitive advantages of enterprises.

From the above reasons, it is appropriate and necessary to examine the influence of competitive advantage on financial performance in SMEs.

2. Literature Review

Competitive advantage is one of the important and vital factors for a long-term successful enterprise. As a result, enterprises always develop all their abilities to enhance their competitive advantage, although this is often obstructed or imitated by competitors (Porter, 1985).

Prahalad and Hamel (1990) focus more on the resources, capabilities and capacities of the organizations such as the origin of competitive advantage, rather than on the environment, as mentioned in the traditional method.

According to Feurer and Chaharbaghi (1994), the quantitative competitiveness is measured by profit, capital mobilization, and cash flow in terms of liquidity. Soliman (1998) adds cost, quality, deliverability, reliability, flexibility and creativity as factors that build a competitive position.

Miller and Shamsie (1996) use the resource-based theory to analyze the role of internal resources in firms’ performance, in which the resources inside the firm are also the corporate competitive advantage.

Competitiveness of a firm is its ability to achieve its goals. These goals are likely to be expressed in a range of specific conditions (Barney 2002). The success of that firm is having competitive advantage, and it can be measured by both objective and subjective criteria. Objective criteria include return on investment, market share, profit and sales; subjective criteria include reputation with customers, suppliers, competitors and the improvement in provided services quality (Barney 2002).

In the current period, many SMEs have been forced to file for bankruptcy. The reason is that SMEs have not fully utilized their internal strengths and competitive advantage against other domestic and foreign competitors (Bui & Nguyen, 2016).

SMEs have witnessed strong growth in the quantity and source of revenue pouring into the state budget over the years. However, in terms of the rate of contribution to the budget, it is not high enough in view of the potential development of the SME sector. This is due to a lack of efficiency in business performance and a weak competitive advantage of the community of SMEs when they mainly produce on a small scale for domestic needs only (Nguyen & Tran, 2018).

The two basic factors that denote competitive advantage are the value that customers perceive about a firm’s goods or services and its cost of production. Thus, the factors that make up competitive advantage are efficiency, quality, innovation and customer needs respond.

Le and Dang (2018) stated that competitive advantage is the possession of specific values, allowing enterprises to capture business opportunities to gain profits. Competitive advantage arises from the value that firms can create for buyers. This value is the level of willingness that customer pays for goods or services and a higher value appears when the firm sells fairly same utilities as its competitors do yet at a lower price; or provides unique gadgets at a higher price than normal but still satisfies the consumers.

Nguyen and Khoa (2020) applied quantitative research methods with a survey of 350 seafood-exporting enterprises in Kien Giang province. The research results identified eleven key factors affecting the competitiveness of seafoodexporting enterprises, including (1) vision and strategy of leader; (2) human resources management capability; (3) organization capability; (4) customer-responsive marketing capability; (5) relationship management capability; (6) technical capability; (7) competitors reaction capability; (8) business environment adoption capability; (9) financial capability; (10) products and services innovation capability; and (11) branding management. The research results provided the basis to propose some managerial implications to improve the competitiveness of exporting enterprises in the context of the global economic integration.

Do (2020) uses a qualitative research method to analyze the competitive advantages of Vietnamese seafood enterprises. They include (i) geographical advantages, (ii) labor advantages, (iii) attention and support from the Government, and (iv) advantages of import and export taxes and opportunities to expand the seafood export markets when Vietnam joins the new generation of free trade agreements. Based on the research results, the author affirms that, when seafood enterprises take advantage of their competitive advantages, they will significantly contribute to achieving the set goals.

An and Kim (2019) covered 200 companies over the period 2013–2017. The results showed that an increase in financial performance required ‘economies of scale’, and that companies that concentrated on a small number of items, diversified products into four or more items, or owned two to four suppliers, reaped positive results in financial performance.

The financial performance has been examined in terms of the valuations ratios, profitability ratios, growth rates, liquidity ratios, efficiency ratios, and leverage ratios. Leverage ratios have the most significant impact on the retail companies’ financial performance (Nguyen et al., 2020).

In addition to the above studies, there are theories related to the competitive advantages of enterprises, thereby affecting the financial performance of the firm:

According to the competitive advantages of a nation, an enterprise’s competitive advantage is influenced by the basic national characteristics, including: (i) the conditions of domestic production; (ii) domestic demand conditions; (iii) domestic related and supporting industries; and (iv) the company’s strategy, structure and competitors. These characteristics will create a favorable or difficult environment for domestic firms to compete with foreign firms. In addition, the two external factors of the firm including the impact of the government policy and the opportunities, which also play an important role in creating the attractiveness of the domestic business environment (Porter, 1990).

Porter’s Five Forces theory was introduced by Porter (1980) to analyze the competitive forces that determine the competitive advantage and profitability of each industry. This theory assumes that competitive forces in the industry including: (i) existing competitors of the firm, (ii) potential new competitors, (iii) substitutes, (iv) the power of suppliers, and (v) the power of buyers, will affect the profitability, revenue, and competitive edge of firms in the industry.

Based on Resource-Based Theory, Barney and Hesterly (2006) argued that resources can be tangible or intangible, owned and used by the firm in the process of strategy construction and implementation. Intangible resources can include skills, human capital, organizational capital and information, reputation and relations. All of these resources represent sources owned by the firm. Tangible resources are the number of employees, the size of the total capital of the firm. Intangible resources are the learning orientation and the market orientation of the firm

The above studies have presented that the competitive advantage factor is affecting financial performance. However, there are no adequate studies on the effects of competitive advantage on the financial performance of SMEs in Hanoi. This research builds on previous research and develops new component attributes of competitive advantage factor; it conducts research design, chooses appropriate research methods for analysis, evaluates and measures the impact of the factor competitive advantage on the financial performance of SMEs in Hanoi.

3. Methodology

Inheriting the results of previous studies and using a qualitative research approach, namely, interviews with selected experts to perform a quantitative research, we have identified competitive advantage (CA) to determine the financial performance of SMEs in Hanoi.

Then, we designed a questionnaire consisting of seven observation variables in a 5-point Likert scale. Dependent variables are measured from 1 “fully disagree” to 5 “fully agree” and independent variables are measured from 1 “without effect” to 5 “strongly” (see Table 1). The collection of data was accomplished through a survey of 150 accountants, sale staffs and boards of directors, for the period 2019–2020, close to this study period. Therefore, their feedback on the influence of competitive advantage on financial performance is considered very appropriate.

Table 1: Attributes of Financial Performance of SMEs and Attributes of Competitive Advantage

OTGHEU_2021_v8n5_335_t0001.png 이미지

Out of 150 questionnaires sent, 130 were received. After checking the information on the returned questionnaires, we had only 120 valid questionnaires with full information for data entry and analysis; the size of this sample was consistent with study of Hair et al. (1998), namely, n = 5 × m = 5 × 7 = 35. Therefore, the rest of observations for model 1 are 120 surveys (80.0%). Most respondents have a bachelor degree or higher. As can be seen, all participants have at high quality knowledge, and this makes the survey reliable.

We used the exploratory factor and correlation analysis to determine the impact of competitive advantage on financial performance in SMEs in Hanoi.

From the above analysis, we have designed a research model as shown in Figure 1.

OTGHEU_2021_v8n5_335_f0001.png 이미지

Figure 1: Research Model

4. Results

4.1. Descriptive Statistics

Information on data collected is shown in Table 2. It shows that among the 120 respondents, 38.3% were male while the remaining 74 (61.7%) were female. 75 respondents (62.5%) are 27 years old or younger, and 37.5% were over 27 years old. Accountant staffs accounted for 39.2%, sale staffs 34.2%, while the remaining 26.7% or 32 respondents were on the board of directors. Some 53.3% of the participants have work experiences for 5 years or less, and 46.7%. over 5 years. Among the respondents, 52 worked for SMEs in industry and construction sectors, accounting for 43.3%, and 68 worked for commercial and service enterprises, accounting for 56.7%.

Table 2: Respondents by Gender, Age, Job Description, Work Experience, Business Areas

OTGHEU_2021_v8n5_335_t0002.png 이미지

4.2. Cronbach’s Alpha

Financial performance and competitive advantage of SMEs have been measured by the Cronbach’s Alpha. Results are presented in Table 3. The results also show that attributes of the dependent variables and independent variables have Cronbach’s Alpha coefficients that are greater than 0.6, and the correlation coefficients of all attributes are greater than 0.3. So, all the attributes of the dependent variables and independent variables are statistically significant (Hair et al., 2010; Hoang & Chu, 2008).

Table 3: Results of Cronbach’s Alpha Testing of Attributes

OTGHEU_2021_v8n5_335_t0003.png 이미지

4.3. Exploratory Factor Analysis (EFA)

We then conducted Exploratory Factor Analysis (EFA) via the method of extracting coefficients with component and Varimax analyses of the seven observed independent variables. As can be seen in Table 4, the results of the EFA show that 0.5 < KMO = 0.804 < 1. Bartlett’s testimony shows sig. = 0.000 < 0.05, which means that all variables are interrelated (Hair et al., 2010; Hoang & Chu, 2008).

Table 4: KMO and Bartlett’s Test

OTGHEU_2021_v8n5_335_t0004.png 이미지

After implementing the rotation matrix, we got the following: one determinant with factor load > 0.5, Eigenvalues >1, and the variance explained = 69.498%. It demonstrates that the factor analysis of the research data is appropriate. Through the quality assurance of the scale and the test of the EFA model, one factor that influences the financial performance in SMEs in Hanoi was identified as competitive advantage (CA) (Hair et al., 2010; Hoang & Chu, 2008).

4.4. Correlation Analysis

The results of the correlation matrix are indicated in Table 5. The correlation coefficient of competitive advantage with one dependent variable is greater than 0, reflecting a positive relationship. In addition, values of sig. are less than 0.05, which means that all variables are interrelated (Hair et al., 2010; Hoang & Chu, 2008).

Table 5: Correlations

OTGHEU_2021_v8n5_335_t0005.png 이미지

4.5. Independent T-Test

Comparison of the results of the evaluation of financial performance of SMEs between participants’ genders can be seen in Table 6. According to the results, Sig Levene’s Test is 0.790, which is more than 0.05. The variance between both genders is not different. Moreover, Sig value T-Test = 0.367 > 0.05, which means that there is not, statistically, significant difference in the level of financial performance of SMEs based on genders (Hair et al., 2010; Hoang & Chu, 2008).

Table 6: Differences of Financial Performance of SMEs Between Participants’ Genders - Independent Test

OTGHEU_2021_v8n5_335_t0006.png 이미지

4.6. ANOVA

Anova test was needed to compare the results of the evaluation of financial performance of SMEs between the three subjects, including accountants, sale staffs and boards of directors. Table 7 shows that Sig Levene Statistic of 0.880 is more than 0.05, which means that the hypothesis of homogeneity variance among the variable value groups (different job descriptions) has not been violated. Table 8 shows that Sig. = 0.120 is more than 0.05, which indicates that there is no statistically significant difference in the level of financial performance of SMEs between the mentioned three groups of job descriptions (Hair et al., 2010; Hoang & Chu, 2008).

Table 7: Test of Homogeneity of Variances

OTGHEU_2021_v8n5_335_t0007.png 이미지

Table 8: ANOVA

OTGHEU_2021_v8n5_335_t0008.png 이미지

5. Discussion and Conclusion

5.1. Geographical Advantage

Hanoi City is located in the northwest of the center of the Red River delta, located in an area with convenient traffics. Hanoi has a diverse topography, including high mountains, low hills and low-lying plains. Plain terrain occupies most of the city area.

Hanoi City has a strategic position and is particularly important for the country’s socio-economic development. It is the national political-administrative center; the headquarters of the central agencies of the Communist Party, State and socio-political organizations, diplomatic missions and national organizations; and a major center for culture, education, science and technology, economy and international transactions of the whole country.

Hanoi City has made great progress in socio-economic developments, playing a major role in promoting development of the whole region and the whole country. The growth rate of gross domestic product (GRDP) of Hanoi region has always been maintained at a high level. The mobilization of investment capital in the region is actively promoted by the government.

Compared with neighboring provinces, the number of enterprises in Hanoi City accounted for the highest percentage. The number of registered new businesses in the city increases every year, which contributes a lot to job creation for tens of thousands of workers annually. Enterprises in Hanoi City have good organizational and management capabilities, reflected in the following aspects: (i) qualifications of high management staffs, (ii) enterprises with high organization and management qualifications, and (iii) enterprises with clear and appropriate business strategy planning and operations planning. In addition, the majority of enterprises in Hanoi City have strong financial capacities reflected in their ability to ensure financial resources for their business operations to achieve their goals.

5.2. Labor Advantage

Most students who are from around Hanoi in general, and accounting students in particular, want to stay in Hanoi after graduating to look for better opportunities, or for further study, or to participate in short-term training programs held by the government or other institutions to get qualification for their future work. However, SMEs need to improve competitiveness in retaining the number of employees by promoting measures to improve working conditions and helping them to stay with the company for a long time by attractive, long-term contracts. In addition, SMEs need to systematically analyze the working conditions of managers and employees in the firm. Because human resources directly create products and under the impact of the industrial revolution 4.0, the labor structure, employment, and skills of employees will change drastically.

5.3. Products Diversification and the Products and Provided Services Quality Improvement

One of the solutions to diversify products is to improve the market orientation of enterprises by multi-functional cooperation. SMEs need to enhance resource-sharing with different functions on a regular basis; freely exchange information about successful and unsuccessful experiences with customers across all functional departments of the firm, which leads to expanding product categories, producing new products or enhancing the functionality of old products.

SMEs owning the main product also need to develop additional accessories or SMEs need to select and develop products, which are suitable for middle-income customers.

SMEs must research and apply new business models. In the digital economy environment, the trend to change from selling tangible products to providing services is clear. In addition to catching up with trends to transform new business models, enterprises could also develop new services from their own traditional business fields (Dang, 2019).

5.4. Price

SMEs need to reduce production costs and offer equal or lower competitive prices than competitors. In addition, SMEs need to use modern technology, low fuel consumption, invest in new and modern technologies, and highly automated lines.

In addition, SMEs need to propose to State agencies to study and propose tax policies (CIT, import and export taxes, etc.), environmental policies, construction policies, etc. so as to reduce input costs, thereby reducing product costs and selling prices.

5.5. Innovation Speed

The world is developing very quickly due to the 4th industrial revolution among other factors, this is having a huge impact on the world economy in general and firm operations in particular in terms of the supply-demand relationship, the development strategy, the method of organization and management, the business model. Thanks to new digital technology for research and development, creative SMEs can outperform long-lasting large enterprises at unprecedented speed regarding quality, speed and method of supplying products, services, product diversification, product innovation, etc. Therefore, the board of directors should be aware of the sharing of vision, which they need to propagate, disseminate for everyone to understand the orientation of the firm, the vision of the managerial staff. In addition, SMEs need to build brands and promote their image.

SMEs need to innovate otherwise, they cannot survive and thrive in a rapidly changing, flexible and highly competitive environment. SMEs need to engage in market research in particular and development research in general. Research and development (R&D) was the investment and development of new research and technology to create new and innovative products, processes and services to meet the needs of customers or of the market better (Dang, 2019).

5.6. Reputation with Customers, Suppliers and Competitors

SMEs should regularly gather critical opinions on how to explain information about customers. In addition, SMEs need to improve the assessment and control of the commitment level in serving customers’ needs, regularly measure customers’ satisfaction; attach great importance to and pay attention to after-sales services.

Enhancing the market orientation of firms that are competitors is by stimulating the sales department to find out information about competitors, or the actions of them. Because, in the corporate department, the sales department is one of the most market-oriented.

Poter (2001) argued that the Internet had a strong impact on customers’ information provision and the relationship between enterprises and suppliers. It was not necessary to change the theory of strategy to deal with the Internet.

SMEs need to conduct a radical digital transformation in the firm, so that they can understand the behavior and expectations of customers and consumers to improve products and services, distribution methods, and guarantee. Through digitized data and information, enterprises can also improve the efficiency of using assets and human resources, increase productivity, and more effectively monitor the production and maintenance of products. Increasing asset efficiency and productivity in the long run was an important determinant of firm competitiveness (Dang, 2019).

5.7. Market Share of the Firm

Development strategies of enterprises need to be changed toward innovation in order to gain competitive advantage and increase market share. A strategy that focuses mainly on cost-cutting will be less effective than a strategy to creatively deliver products and services. In addition, SMEs need to promote research and development as well as market research.

Under the lead of the 4th industrial revolution and among other factors, management, administration, speed and scale of development of enterprises change rapidly. With the development of technology, the time for enterprises to dominate the market is significantly shortened. By applying technology and innovation, a new enterprise can quickly outperform some long-lasting ones in the same industry in a short time with incredible speed and scale.

References

  1. Agbenyo, W., Danquah, F. O., & Shuangshuang, W. (2018). Budgeting and Its Effect on the Financial Performance of Listed Manufacturing Firms: Evidence from Manufacturing Firms Listed on Ghana Stock Exchange. Research Journal of Finance and Accounting, 9(8), 12-22.
  2. An, H. J., & Kim, W. K. (2010). A Case Study on the Influence Factors of Financial Performance of Korean Automotive Parts Cooperation Companies through Research Hypothesis. Journal of Asian Finance, Economics and Business. 6(3), 327-337. https://doi.org/10.13106/jafeb.2019.vol6.no3.327
  3. Barney, J. B. (2002). Gaining and Sustaining Competitive Advantage (2nd ed.).. Upper Saddle River, NJ: Prentice Hall.
  4. Barney, J. B., & Hesterly, W. S. (2006). Strategic Management and Competitive Advantage: Concepts and Cases. Harlow, UK: Pearson.
  5. Bui, T. T., & Nguyen, X. H. (2016). Improving the competitive advantage of firms: The case of supermarkets in Ho Chi Minh City. Ho Chi Minh City: Labor Publishing House, 11-15. [Vietnamese].
  6. Dang, D. T. (2019). Why do firms need to innovate - Lesson 1. Retrieved, September 17, 2019, From: https://www.quanlynhanuoc.vn/2019/09/17/vi-sao-doanh-nghiep-can-doi-moi-sang-taobai-1/. [Vietnamese].
  7. Do, T. H. (2020). Analyzing the competitive advantages of Vietnamese seafood firms. Industry and trade magazine, 17, 102-105. [Vietnamese].
  8. Feurer, R., & Chaharbaghi, K. (1994). Defining Competitiveness: A Holistic Approach. Management Decision, 32(2), 49-58. https://doi.org/10.1108/00251749410054819
  9. Hair, J.F., Joseph, F. Jr., Anderson, Rolph E., Tatham, Ronald L. & Black, Wiliam C., (1998), Multivariate data analysis (5th ed.). Upper Saddle River, NJ: Prentice Hall.
  10. Hair, J. F., Anderson, R. E., Babin, B. J., & Black, W. C. (2010). Multivariate data analysis: A global perspective. Upper Saddle River, NJ: Pearson.
  11. Hindasah, L., & Nuryakin, N. (2020). The Relationship between Organizational Capability, Organizational Learning and Financial Performance. Journal of Asian Finance, Economics and Business, 7(8), 625-633. https://doi.org/10.13106/jafeb.2020.vol7.no8.625
  12. Hoang, T., & Chu, N. M. N. (2008). Analyzing researched data with SPSS (2nd ed.). Ho Chi Minh City, Vietnam: Hong Duc Publishing House. [Vietnamese].
  13. Le, D. L., & Dang, V. T. (2018). Factors determining the competitive advantage of an enterprise. Asia - pacific Economic Review, 525, 11-13. [Vietnamese].
  14. Miller, D., & Shamsie, J. (1996). The Resource-Based View of the Firm in Two Environments: The Hollywood Film Studios from 1936 to 1965. The Academy of Management Journal, 39(3), 519-543. https://doi.org/10.2307/256654
  15. Mulani, J., Chi, G., & Yang, J. (2015). Effects of the budgetary process on SME's performance: An Exploratory study based on Selected SME's in India. Research Journal of Finance and Accounting, 6(14), 135-153.
  16. Murphy, G. B., Trailer, J. W., & Hill, R. C. (1996). Measuring Performance in Entrepreneurship Research. Journal of Business Research, 36(1), 15-23. https://doi.org/10.1016/0148-2963(95)00159-X
  17. Nguyen, H. H., & Tran, T. L. (2018). Improving competitive advantages of SMEs in TraVinh province. Journal of Finance, 694, 145-148.
  18. Nguyen, M. T., & Khoa, B. T. (2020). Improving the Competitiveness of Exporting Enterprises: A Case of Kien Giang Province in Vietnam. Journal of Asian Finance, Economics and Business, 7(6), 495-508. https://doi.org/10.13106/jafeb.2020.vol7.no6.495
  19. Nguyen, P. H., Tsai, J. F., Nguyen, V. T., Vu, D. D., & Dao, T. K. (2020). A Decision Support Model for Financial Performance Evaluation of Listed Companies in The Vietnamese Retailing Industry. Journal of Asian Finance, Economics and Business, 7(12), 1005-1015. https://doi.org/10.13106/jafeb.2020.vol7.no12.1005
  20. Porter, M. E. (1980). Competitive Strategy: Techniques for Analyzing Industries and Competitors. New York: Free Press.
  21. Porter, M. (1985). Competitive Advantage in Enterprise. New York: Free Press.
  22. Porter, M. (1990). Competitive Advantage of Nations. Competitive Intelligence Review, 1(1), 1-14. https://doi.org/10.1002/cir.3880010101
  23. Prahalad, C. K., & Hamel, G. (1990). The Core Competence of the Corporation, Harvard Business Review, 5-6(68), 79-91.
  24. Soliman, F. (1998). Optimum Level of Process Mapping and Least Cost Business Process ReEngineering. International journal of Operations & Product Management, 18(9/10), 810-816. https://doi.org/10.1108/01443579810225469
  25. Vu, X. N. (2018). Research on Enterprise Knowledge Management system to Improve Competitive Advantages for Small and Medium Enterprises in Vietnam. Hanoi: Doctoral dissertation, National Economics University. [Vietnamese].