Setia Romadhon, Eri, Antonius Antonius, and Sumirin Sumirin. “Design of Low Alkali Activator Geopolymer Concrete Mixtures”. ASTONJADRO 11, no. 3 (September 23, 2022): 627–638. Accessed November 23, 2024. https://ejournal.uika-bogor.ac.id/index.php/ASTONJADRO/article/view/7484.