References
- Abramovitz, Moses, "Catching Up, Forging Ahead, and Falling Behind", The Journal of Economic History, Vol. 46, No. 2, pp. 385-406, 1986. https://doi.org/10.1017/S0022050700046209
- Aghion, Philippe, Harris, Christopher, Vickers, John, "Competition and growth with step-by-step innovation: An example", European Economic Review, Vol, 41, Issues 3-5, pp. 771-782, 1997. https://doi.org/10.1016/S0014-2921(97)00036-6
- Ahn, Hei-chan, "Market of online games recorded $4 billion revenue and five major companies recorded a turnover of $2 billion", The Games, 2009.12.29.
- Ansoff, H. I., "Strategies for Diversification", Havard Business Review, 35, pp. 113-124, 1957.
- Cho, Seong-hum, "R2 entered China market", Yonhap News, 2007.07.11.
- Choi, Ho-kyung, "R2 opened whole server integrative battlefield named Chaos-battle", Game Donga, 2009.05.12.
- Han, Min-ok, "We will make global Webzen through maximizing the synergy with NHNgames", Digital Times, 2008.10.29.
- Jeong, Dong-beom, "97% beta tester of R2 has transferred to users successfully", Game Donga, 2006.04.25.
- Kalyanaram, G., Gurumurthy, R., "Market Entry Strategies: Pioneers Versus Late Arrivals", Strategy & Business, 3rd,pp.74-84,1998.
- Kim, Chang-wook, "R2 updated 3rd Revolution with new servers", Gameabout, 2007.12.21.
- Kim, Hyun-chul, "NHN wants to increase the market share of internet search business", Asia Economy, 2010.01.28.
- Kim, Hyun-goo, "R2 is successful. It earned about 1.9 million dollars during the first week after commercialization", Game Donga, 2006.11.03.
- Kim, Jong-min, "Preparing for 2nd beta test is completed with 95,000 applicants". Chosun Daily News, 2006.06.02.
- Kim, Min-young, "R2 started open beta test in China", Inven, 2008.03.28.
- Kotler, Philip, Marketing Management, NJ: Prentice-Hall, 11th, 2002.
- Lee, Jin-ho, "NHN said that we have online game too". Digital Times, 2006.03.27.
- Lee, Na-rea, "Hangame holds an R2 competition, Korea-China-Japan Grand Siege Warfare", Xsports News. 2009.08.24.
- McCarthy, E. Jerome, Perreault, William D, "Basic marketing: A managerial approach", IL.: Irwin, 10th, 1990.
- Mintzberg, Henry, Lampel, Joseph, Ahlstrand, Bruce, "Strategy Safari: A Guided Tour Through The Wilds of Strategic Management", Free Press, 2005.
- Park, Sang-beom, "NHNgames is merged by Webzen", Thisisgame, 2010.04.15.
- Porter, Michael, E., "Competitive Strategy", Measuring Business Excellence, Vol. 1: 2, pp.12-17, 1993.
- Porter, Michael. E., "What is strategy?" Harvard Business Review, Nov.-Dec., pp. 61-78, 1996.
- Yoo, Dea-hoon, "R2 adds Assassin and gets over 10,000 new characters". Gamemecca, 2007.03.23.
- www.NHNcorp.com, Official Public Announcement, 2009.09.30.
- www.NHNcorp.com, Official Public Announcement, 2010.01.05.
- www.gamemeca.com
- www.krx.co.kr
- www.webzen.com