OTHMAN, O. C. . Heavy metals in green vegetables and soils from vegetable gardens in Dar es Salaam, Tanzania. Tanzania Journal of Science, [S. l.], v. 27, n. 1, p. 37 – 48, 2021. Disponível em: http://www.tjs.udsm.ac.tz/index.php/tjs/article/view/537. Acesso em: 6 may. 2025.