Setiawan, Dian M. “Conventional Track and Asphaltic Underlayment Track Mechanical Behavior under Indonesia’s Babaranjang Freight Trains Loading”. Engineering and Applied Science Research 49, no. 5 (July 18, 2022): 657–668. Accessed March 28, 2024. https://ph01.tci-thaijo.org/index.php/easr/article/view/247740.