Junaidi, Ahmad, R. Dewo Hiraliya Maesa Hariyanto, Nurnilam Oemiati, and Jonizar . “Utilization of Marlstone Powder to Increase the Compressive Strength of Concrete”. Engineering And Technology Journal 7, no. 9 (September 23, 2022): 1515–1518. Accessed November 23, 2024. https://everant.org/index.php/etj/article/view/715.