Mahbub Hassan, A. A. Nafees, S. S. Shraban, H. D. Mahin, A. . Paul, and H. K. An, “A Comprehensive Review on the Impact of Gap Parameters for Multiple Types of Roundabouts in Different Traffic Conditions”, IJIE, vol. 16, no. 9, pp. 1–20, Dec. 2024, Accessed: Apr. 09, 2026. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/18665