Analysis of the efficiency of slow filtration for the water treatment of a born situated in the rural area of Passabém – MG. Research, Society and Development, [S. l.], v. 7, n. 6, p. e676184, 2018. DOI: 10.17648/rsd-v7i6.235. Disponível em: https://rsdjournal.org/rsd/article/view/235. Acesso em: 5 dec. 2025.