AHMAD, D. G.; GAF, T. A.-R. A. Lead, Nickel and Copper Concentration and Related Factors in Some Uncooked Vegetables Irrigated by Wastewater. Advances in BioScience, [S. l.], v. 3, n. 3, p. 224–230, 2012. Disponível em: https://sosjournals.org/ab/article/view/83. Acesso em: 5 sep. 2026.