Mac-Eteli, Happiness Davies, and Kenneth Overo. “Sulphate Induced Strength Loss Index Optimisation of Periwinkle and Clam Shell Ash Hybrid Pozzolana Concrete”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 7, no. 8 (August 4, 2021): 91–105. Accessed November 24, 2024. https://ijasre.net/index.php/ijasre/article/view/1303.