Choirotin I, Choiron MA, Purnowidodo A, Darmadi DB. Deformation Mode and Energy Absorption Analysis of Bi-Tubular Corrugated Crash Box Structure . IJIE [Internet]. 2021 Sep. 27 [cited 2026 Aug. 7];13(7):274-80. Available from: https://journal.uthm.edu.my/index.php/ijie/article/view/7928