Mohd Nasir, Muhammad Yusoff, Hisham Mohamad, Muhammad Farid Ghazali, and Muhammad Shafiq Aiman Ahmran. 2024. “Design Chart of Trough Width Value for Rectangular Shaped Tunnel”. International Journal of Integrated Engineering 16 (4): 170-78. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/16196.