RAHMI, Alfi; LUMBA, Pada. PENENTUAN STATUS MUTU DAN TINGKAT CEMARAN AIR SUNGAI. Aptek, [S. l.], v. 11, n. 2, p. 124–129, 2019. DOI: 10.30606/aptek.v11i2.121. Disponível em: https://journal.upp.ac.id/index.php/aptek/article/view/121. Acesso em: 25 apr. 2024.