Su, Limin, Yongchao Cao, and Huimin Li. “Performance-Based Payment Structural Design for Infrastructure PPP Projects”. International Journal of Strategic Property Management 27, no. 2 (June 5, 2023): 133–145. Accessed December 23, 2024. https://jau.vgtu.lt/index.php/IJSPM/article/view/19180.