Wadeng M, Romoh E, Nukrohwat J. Compressive Strength and Water Absorption of Fly Ash Based Geopolymer Containing Para Wood Ash. JASET [internet]. 2025 Dec. 29 [cited 2026 Oct. 11];4(1):21-3. available from: https://ph05.tci-thaijo.org/index.php/JASET/article/view/319