Lead sortion study in weathered soils in its different fractions. Research, Society and Development, [S. l.], v. 9, n. 4, p. e57942306, 2020. DOI: 10.33448/rsd-v9i4.2306. Disponível em: https://rsdjournal.org/rsd/article/view/2306. Acesso em: 5 dec. 2025.