Wongkvanklom, Athika, Patcharapol Posi, Pornnapa Kasemsiri, Vanchai Sata, Trinh Cao, and Prinya Chindaprasirt. “Strength, Thermal Conductivity and Sound Absorption of Cellular Lightweight High Calcium Fly Ash Geopolymer Concrete”. Engineering and Applied Science Research 48, no. 4 (June 15, 2021): 487–496. Accessed May 7, 2024. https://ph01.tci-thaijo.org/index.php/easr/article/view/243363.