Zafri Ayob and S. S. . Ayop, “Effectiveness Of Repair Material Using Polypropylene Fiber”, JSMBE, vol. 5, no. 2, pp. 92–102, Dec. 2025, Accessed: Apr. 08, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/jsmbe/article/view/24515