KRISTANTI, W.; NARTO, N.; MURYOTO, M. Filter Resin Kation Pelunak Air Sadah Sumur Gali. Sanitasi: Jurnal Kesehatan Lingkungan, [S. l.], v. 9, n. 3, p. 134–139, 2018. DOI: 10.29238/sanitasi.v9i3.764. Disponível em: https://e-journal.poltekkesjogja.ac.id/index.php/Sanitasi/article/view/764. Acesso em: 29 mar. 2024.