Sulfate and Sulfuric Acid Resistance of Geopolymer Mortars Using Waste Blended Ash. Jurnal Teknologi, [S. l.], v. 61, n. 3, 2013. DOI: 10.11113/jt.v61.1762. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/1762.. Acesso em: 23 jul. 2024.