Sisca, Vivi. “PENENTUAN KUALITAS AIR MINUM ISI ULANG TERHADAP KANDUNGAN NITRAT, BESI, MANGAN, KEKERUHAN, Ph, BAKTERI E.Coli DAN COLIFORM”. Chempublish Journal 1, no. 2 (November 22, 2016): 21-31. Accessed December 2, 2024. https://online-journal.unja.ac.id/chp/article/view/3310.