“Mechanical, Durability and Fire Performance of Lightweight Foamed Concrete Incorporating Rice Husk Ash as Cement Substitute”, Environmental Technology & Science Journal, vol. 17, no. 1, pp. 17–36, May 2026, Accessed: Jun. 08, 2026. [Online]. Available: https://journal.futminna.edu.ng/index.php/etsj/article/view/231