CHAVES, L. H. G.; ESTRELA, M. A.; DE SOUZA, R. S. Effect on plant growth and heavy metal accumulation by sunflower. Journal of Phytology, [S. l.], v. 3, n. 12, 2011. Disponível em: https://updatepublishing.com/journal/index.php/jp/article/view/2736. Acesso em: 14 may. 2024.