GARCIA, H; PALACIO, R. A novel method to test for lead contamination in soil around US schools. International Journal of Agricultural Research, Innovation and Technology, [S. l.], v. 10, n. 1, p. 94–96, 2020. DOI: 10.3329/ijarit.v10i1.48099. Disponível em: https://www.banglajol.info/index.php/IJARIT/article/view/48099. Acesso em: 8 oct. 2025.