Chokkalingam, Ramesh Babu, and Ganesan N. “A Study on the Strength Development of Geopolymer Concrete Using Fly Ash”. International Journal of Engineering & Technology 6, no. 4 (November 24, 2017): 163–167. Accessed May 5, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/7761.