Nanayakkara, Rumesh, and Chamila Gunathilake. “Development of Environmentally Friendly Bricks Using Spent Diatomaceous Earth”. Sri Lankan Journal of Applied Sciences 1, no. 01 (August 31, 2022): Page : 11–17. Accessed May 8, 2025. https://www.sljoas.uwu.ac.lk/index.php/sljoas/article/view/25.