Yusoff, Numan, and Norhasikin Ismail. “Study on the Characterization of Fillers and Different Rubber Crumb Ratio for Car’s Bumper”. Progress in Engineering Application and Technology 6, no. 2 (October 16, 2025): 260–267. Accessed April 8, 2026. https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/21079.