Robert Assan, Maccy Grace, and Nor Hazurina Binti Othman. “Keupayaan Konkrit Campuran Serbuk Kulit Kupang Di Dalam Pengawetan Sodium Sulfat”. Recent Trends in Civil Engineering and Built Environment 3, no. 1 (July 17, 2022): 1303–1311. Accessed March 1, 2024. https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/2820.