Chandio, S. A., B. A. Memon, M. Oad, F. A. Chandio, and M. U. Memon. “Effect of Fly Ash on the Compressive Strength of Green Concrete”. Engineering, Technology & Applied Science Research 10, no. 3 (June 7, 2020): 5728–5731. Accessed April 6, 2025. https://mail.etasr.com/index.php/ETASR/article/view/3499.