MBWETTE, T.S.A.; KARIUKI, A.W. The performance of a horizontal flow roughing filter/slow sand filter water treatment plant in Tanzania. Tanzania Journal of Engineering and Technology, [S. l.], v. 16, n. 1, p. 62–82, 1992. DOI: 10.52339/tjet.v16i1.138. Disponível em: https://tjet.udsm.ac.tz/index.php/tjet/article/view/138. Acesso em: 14 dec. 2025.