1Dr. Khaled Nassa. Cost Contingency Analysis for Construction Projects Using Spreadsheets [J].Cost Engineering, 2002,44(9) : 26-30.
2YU-REN WANG,.B.S., M.S. Applying The PDRI in Project Risk Management [D].The University of Texas at Austin.2002,59-63.
3Mak. S. and Picken, D. Using Risk Analysis to Determine Construction Project Contingencies [J]. Journal of Construction Engineering and Management,2000,126 (2) :130-136.
4Touran.A.Probabilistic model for cost contingency[J].Journal of Construction Engineering and Management,2003(5/6) : 280-284.