Determination of Lead Levels in Drinking Water in Some Areas of Khartoum City and Gezira State, Sudan. Global Journal of Science Frontier Research, [S. l.], v. 14, n. 33, p. 13–18, 2014. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/. Acesso em: 23 oct. 2026.