Damahuri, Danny Iskandar, Hilmi Kosnin, and Abd Sukor Sarif. “Assessing the Strength Characteristics of Cement Mortar Using Eggshell Powder and Kenaf Fiber”. Progress in Engineering Application and Technology 5, no. 1 (June 10, 2024): 663–670. Accessed July 2, 2024. https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/14810.