“Systematic Review of the Use of Fly Ash in Geopolymer Concrete: Impact on Its Physical, Mechanical, and Microstructural Properties”. ITEGAM-JETIA 12, no. 57 (fevereiro 19, 2026): 906–917. Acesso em outubro 23, 2026. https://itegam-jetia.org/journal/index.php/jetia/article/view/3126.