Impact of Sulfate in the Sand on the Compressive Strength of Metakaolin-Based Geopolymer Mortar. Journal of Engineering, [S. l.], v. 29, n. 09, p. 45–57, 2023. DOI: 10.31026/j.eng.2023.09.04. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/1707. Acesso em: 24 dec. 2024.