Shetty, Hithesh Prabhakara, et al. “An Investigative Preparation of Unfired Bricks from Clay and Fine Sand in the Presence of Sodium Hydroxide As an Activator through Geo-Polymerization”. Indonesian Journal of Innovation and Applied Sciences (IJIAS), vol. 4, no. 3, Oct. 2024, pp. 225-38, doi:10.47540/ijias.v4i3.1561.