Annune, Jighjigh Eric, Abimiku Yohanna, Charles Arome Oguche, and C. B. Wali. “Experimental Research on Natural Pozzolan As Cement Replacement”. ABUAD International Journal of Natural and Applied Sciences 3, no. 1 (June 12, 2023): 28–33. Accessed November 10, 2024. https://mail.journals.abuad.edu.ng/index.php/aijnas/article/view/140.