Study of the chemical parameter relationship in the Guarapiranga, Mairiporã and Billings reservoir systems using the Synchrotron Radiation process. International Seven Journal of Multidisciplinary, [S. l.], v. 2, n. 4, p. 743–757, 2023. DOI: 10.56238/isevmjv2n4-017. Disponível em: https://sevenpubl.com.br/ISJM/article/view/2561. Acesso em: 21 aug. 2025.