Spatio-temporal variability of groundwater quality in an irrigated area in the Brazilian semiarid region. Research, Society and Development, [S. l.], v. 9, n. 8, p. e644985786, 2020. DOI: 10.33448/rsd-v9i8.5786. Disponível em: https://rsdjournal.org/rsd/article/view/5786. Acesso em: 25 dec. 2025.