Ho, Jen Sim, D Wing Kak, Nor Aznirahani Md Yunin, Noradrenalina Isah, and Alvin Wai Hoong Poi. “A Review of Motorcycle Helmet Studies in Malaysia: Are We Doing Enough”. Evaluation Studies in Social Sciences 6, no. 1 (July 31, 2025): 54–70. Accessed December 6, 2025. https://ejournal.upsi.edu.my/index.php/ESSS/article/view/11226.