Vu Hoai, Nam, et al. “Flexible Pavement Life Cycle Cost Analysis by Using Monte-Carlo Method and the Suggestions for Developing Countries”. International Journal of Sustainable Construction Engineering and Technology, vol. 12, no. 3, Oct. 2021, pp. 68-74, https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/8580.