Chen, Hong Long, Wei Tong Chen, and Nai-Chieh Wei. “Developing a Cost-Payment Coordination Model for Project Cost Flow Forecasting”. Journal of Civil Engineering and Management 17, no. 4 (December 21, 2011): 494-509. Accessed April 20, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/5249.