Zeolite from Zirconium-Modified Fly Ash Waste for Absorption of Phosphate Compounds in Waters. Jurnal Kimia Valensi, [S. l.], v. 9, n. 1, p. 13–21, 2023. DOI: 10.15408/jkv.v9i1.26951. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/26951. Acesso em: 21 nov. 2025.