SETIAWAN, S.; UMBU LOLO, E. Reduksi Kesadahan Air Tanah Menggunakan Ion Exchange Dengan Resin Amberlite IR 120 Na (Studi Kasus: Sistem Penyediaan Air di PT. Sri Rejeki Isman Sukoharjo). Nata Palemahan: Journal of Environmental Engineering Innovations, [S. l.], v. 1, n. 2, p. 52-58, 2024. DOI: 10.38043/natapalemahan.v1i2.5638. Disponível em: https://journal.undiknas.ac.id/index.php/natapalemahan/article/view/5638. Acesso em: 23 dec. 2024.