MAYO, Aloyce W.; OGOMBE, Hesborne S. REMOVAL OF ORGANIC MATERIAL IN FREE WATER SURFACE GRAVEL BED FILTERS. Tanzania Journal of Engineering and Technology, [S. l.], v. 36, n. 2, 2018. Disponível em: https://journals.udsm.ac.tz/index.php/tjet/article/view/1744. Acesso em: 4 dec. 2024.