Yee, Jia Jun, Sheh Ching Khong, JiaLing Che, Kong Fah Tee, and Siew Choo Chin. “Sustainable Materials in Concrete Railway Sleepers: A Review of Current Developments and Future Prospects ”. Journal of Chemical Engineering and Industrial Biotechnology 10, no. 1 (June 20, 2024): 1–16. Accessed April 15, 2025. https://journal.ump.edu.my/jceib/article/view/10292.