Yusof , Mohd Zakhiri, and Mohd Zulfadli Ahmad. 2018. “Impact Analysis of Bumper through Computational Design and Analysis Method: Politeknik Sultan Azlan Shah, Perak”. Politeknik & Kolej Komuniti Journal of Engineering and Technology 3 (1). Putrajaya, Malaysia:1-8. https://app.mypolycc.edu.my/journal/index.php/PMJET/article/view/515.