UBAIDILLAH; FAUZIA, Naqiya. ANALISIS KANDUNGAN COLIFORM DAN Escherichia coli PADA SUMBER AIR MINUM SISWA KELAS 11 MADRASAH ALIYAH X YOGYAKARTA. Jurnal Permata Indonesia, [S. l.], v. 15, n. 2, p. 76–82, 2024. DOI: 10.59737/jpi.v16i2.325. Disponível em: https://jurnal.permataindonesia.ac.id/index.php/JPI/article/view/325. Acesso em: 13 oct. 2025.