2Alhazmil T,Caffer R M.Project procurement system selection model.Journal of Construction Engineering and Management 2000 126 (3): 176- 184.
3James E R J,Mark 0 F,Jennifer R.De- sign/build methods for electrical contracting indus- try.Journal of Construction Engineering and Man- agement 2000 126(1):15-22.
4lbbs C W,Kwak Y H,Tzeyu N,et aI,Project delivery systems and project change:quantitative analysis.Journal of Construction Engineering and Management 2003 129(4):382-387.