LUTFI, B. PERBEDAAN VARIASI WAKTU KONTAK BUBBLE AERATOR TERHADAP PENURUNAN KADAR MANGAN (Mn) PADA AIR MINUM DI PT. X. ENVIROSAN : Jurnal Teknik Lingkungan, [S. l.], v. 7, n. 2, p. 72–78, 2024. Disponível em: https://e-journal.ukri.ac.id/index.php/envirosan/article/view/3800. Acesso em: 24 may. 2026.