T. T. Kien and N. . Minh Nguyen, “Factors Affecting the Success of PPP Transport Projects in Vietnam”, ijscet, vol. 14, no. 1, pp. 69–75, Feb. 2023, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/12208