Umar, Mohd, M.D. Najeebul Haque, and M.S. Haji Sheik Mohammed. “Chemical Admixtures in Cement Mortar: Long-Term Performance Evaluation Against Biogenic Acid Attack”. Journal of Structural Engineering 49, no. 2 (June 5, 2024): 162–177. Accessed December 22, 2024. http://14.139.176.44/index.php/JOSE/article/view/243.