Pratomo DBS, Purnomo H, Winardi Y, Fadelan, Arifin R. Finite Element Analysis of 20×20 ft Container Flat Wagon Underframe Structure Using S355J2 Steel. jsmpm [Internet]. 2026 May 13 [cited 2026 Jul. 23];6(1):20-8. Available from: https://publisher.uthm.edu.my/ojs/index.php/jsmpm/article/view/25258