Identification of potable water contamination sources by nitrate in the states of Minas Gerais and Sao Paulo. Research, Society and Development, [S. l.], v. 9, n. 2, p. e113922154, 2020. DOI: 10.33448/rsd-v9i2.2154. Disponível em: https://www.rsdjournal.org/rsd/article/view/2154. Acesso em: 5 dec. 2025.