RATNA N.N., Z. .; SURYO PURNOMO, Y. . PENURUNAN MANGAN DENGAN APLIKASI FILTER DAN KARBON AKTIF. Envirotek : Jurnal Ilmiah Teknik Lingkungan, [S. l.], v. 11, n. 2, p. 1–8, 2019. DOI: 10.33005/envirotek.v11i2.6. Disponível em: https://envirotek.upnjatim.ac.id/index.php/envirotek/article/view/6. Acesso em: 21 nov. 2024.