REMOVAL NATRIUM (Na+), KLORIDA (Cl-), DAN KESADAHAN AIR PAYAU DENGAN RESIN PENUKAR ION. WAKTU: Jurnal Teknik UNIPA, [S. l.], v. 18, n. 1, p. 7–14, 2020. DOI: 10.36456/waktu.v18i1.2305. Disponível em: https://jurnal.unipasby.ac.id/waktu/article/view/2305. Acesso em: 11 aug. 2026.