Al-Jothery, H. K. M., T. M. B. Albarody, P. S. B. M. Yusoff, M. A. Abdullah, A. R. Hussein, and M. F. B. M. Pahmi. “Crashworthiness Design for Trapezoid Origami Crash Structure Numerical”. International Journal of Automotive and Mechanical Engineering 17, no. 1 (March 30, 2020): 7667-7674. Accessed April 24, 2021. https://journal.ump.edu.my/ijame/article/view/2938.