References
- International Fiber J., 13 Aug(1988).
- International Fiber J., 12 Feb(1997).
- International Fiber J., Feb(2000).
- Personal discussion with R&D members in DuPont
- Personal discussion w ith D uPont B usiness Manager, June, 2001.
- 섬유기술과 산업, 2002.
- 웅진케미칼 6sigma 자료, 2005.
- 웅진케미칼 마케팅 자료, 2007.