4WuYunna , Hu Xinliang , Xu Lingshuang , et al. Re- search on risk allocation of public-private partnership projects based on Rough Set theory [ J ]. Communica- tions in Information Science and Management Engi- neering, 2012, 2(7):15-20.
6Lyer K C, Sagheer Mohammed. Hierarchical structu- ring of PPP risks using interpretative structural model- ing[ J]. Journal of Construction Engineering and Man- agement, 2010, 136(2) :151-159.
7Ke Yongjian , Wang ShouQing , Chan Albert P C, et al. Preferred risk allocation in China' s public-private partnership (PPP) projects [ J ]. International Journal of Project Management, 2010, 28 (5) :482-492.