3Ahmad I. Decision-support system for modeling bid/no- bid decision problem [ J ]. Journal of Construction En- gineering and Management, 1990, 116 (4) : 595-608.
4Wanous M, Boussabaine A H, Lewis J. To bid or not to bid : a parametric solution [ J ]. Construction Man- agement & Economics, 2000, 18(4) : 457-466.
5Fayek A. Competitive bidding strategy model and soft- ware system for bid preparation [ J ]. Journal of Con- struction Engineering and Management, 1998, 124 (1) : 1-10.
6Seydel J, Olson D L. Bids considering multiple crite- ria[J]. Journal of Construction Engineering and Man- agement, 1990,116 (4) : 609 -623.