Choiron, M. A., Ida, Z., Purnowidodo, A., & Rivai, A. (2017). Energy Absorption and Deformation Pattern Analysis of Initial Folded Crash Box Subjected to Frontal Test. Journal of Energy, Mechanical, Material, and Manufacturing Engineering, 2(1), 1–8. https://doi.org/10.22219/jemmme.v2i1.4689