Irshad Ahmad Malik, and Chhavi Gupta. “Effect of Geopolymer (Hypo Sludge) on Concrete: A Review”. International Journal of Technical Innovation in Modern Engineering & Science 5, no. 14 (April 30, 2019): -. Accessed December 21, 2024. https://ijtimes.com/index.php/ijtimes/article/view/3096.