3SLACK N. The flexibility of manufacturing systems [ J ]. International Journal of Operations and Pro - duction Management, 1987, 17: 35 - 45.
4SABRI E H, BEAMON B M. A muhiobjective app - roach to simulta- neous strategic and operational planning in supply chain design [ J]. The International Journal of Manaement Science, 2000, 28:581 -598.
