I. Abdul Hamid, S.T.M. Syed Tajul Arif, N.S. Mohd Zulkiffli, R. Sarani, M.S. Solah, and M.R. Osman. “Crash Investigation on Automobile Vs. Crash Barrier: Assessment of W-Beam Guardrail With Respect to REAM Standard”. Journal of the Society of Automotive Engineers Malaysia 1, no. 2 (May 1, 2017): 154–165. Accessed April 8, 2025. https://jsaem.my/index.php/journal/article/view/18.