The removal of Zinc, Chromium and Nickel from industrial waste water using Corn cobs. Iraqi Journal of Science, [S. l.], v. 55, n. 1, p. 123–131, 2023. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11935.. Acesso em: 22 jul. 2024.