참고문헌
- J.-Y. Han, C. Kim, J.-K. Kim, N.-H. Kang and J.-H. Kim : Statistical Analysis of Korean Welding Industry, Journal of KWS, 23-5 (2005), 222-227 (in Korea)
- C. Kim, M.-J. Kang and S. Bae : Statistical Analysis of Korean Welding Industry (II), Journal of KWJS, 26-6 (2008), 552-555 (in Korea)
- American Welding Society : Welding-Related Expenditures, Investments, and Productivity Measurement in U.S. Manufacturing, Construction, and Mining Industries, 2002
- 통계청홈페이지(http://www.kostat.go.kr) (in Korean)
- 무역협회 (http://stat.kita.net) (in Korean)
- 한국산업인력공단 (http://q-net.or.kr) (in Korean)