Removal of Toxic Metals Contaminated Soil using Different Amendments and Sunflower Species (Helianthus Annuus). Global Journal of Science Frontier Research, [S. l.], v. 16, n. 13, p. 37–39, 2016. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/. Acesso em: 1 nov. 2026.