M. I. . Shahrin, “Convergence Study for Rock Unconfined Compression Test Using Discrete Element Method”, IJIE, vol. 13, no. 3, pp. 119–124, Jun. 2021, Accessed: Apr. 08, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/8908