Muhammad Rafiuddin Ekhwan, SUBRAMANIAM SK, Susharrman. Crashworthiness Analysis of Hierarchical Multi-Cell Circular Structures Made of Recycled Aa6061 Aluminium Alloys for Sustainable Automotive Crash Box. rpmme [Internet]. 2025 Dec. 5 [cited 2026 Mar. 11];6(2):217-2. Available from: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/21461