Shahrara, Neda, Tahir Çelik, and Amir H. Gandomi. “Risk Analysis of BOT Contracts Using Soft Computing”. Journal of Civil Engineering and Management 23, no. 2 (February 6, 2017): 232–240. Accessed February 19, 2026. https://journals.vilniustech.lt/index.php/JCEM/article/view/961.