Chayan Biswas, Debabrata Sardar, Chandra Nath Dutta, and Arghya Bhattacharyya. “GEOPOLYMER CONCRETE: AN ECO-FRIENDLY CONCRETE OF MODERN DAYS”. International Engineering Journal For Research & Development 5, no. 5 (July 24, 2020): 9. Accessed August 12, 2026. https://www.iejrd.com/index.php/iejrd/article/view/1058.