SRINATI, I.; PRIJANTO, T. B. VARIASI WAKTU KONTAK PADA FILTER MANGANESE GREENSAND DAN PASIR SILIKA TERHADAP PENURUNAN MANGAN (Mn) DALAM AIR BERSIH. JURNAL RISET KESEHATAN POLTEKKES DEPKES BANDUNG, [S. l.], v. 16, n. 2, p. 344–353, 2024. DOI: 10.34011/juriskesbdg.v16i2.2529. Disponível em: https://juriskes.com/index.php/jrk/article/view/2529. Acesso em: 7 dec. 2025.