1. Risk analysis in project appraisal;Pouliquen,1970
2. Risk analysis of construction cost estimates;Bjornsson;Trans Am Assoc Cost Engrs,1977
3. Construction projects – know the risks;Perry;CME,1985
4. Risk analysis for large engineering projects: models, methods and cases;Cooper,1987
5. Ranasinghe KAMK. Analytical method for quantification of economic risks during feasibility analysis for large engineering projects. PhD thesis, University of British Columbia, Vancouver, Canada, 1990.