2Chatha K A, Ajaefobi J O, Weston R H. Enriched multi process modeling in support of the life cycle engineering of business processes . International Journal of Pro duction Research, 2007, 45(1) :103.
7Koeing P C, Christensen W I.. Development and imple mentation of modern work breakdown structure in naval construction: a case study. Journal of Ship Production, 1999,15(3) :136.