REMOVAL OF COPPER ION FROM WASTEWATER BY FLOTATION. Journal of Engineering, [S. l.], v. 17, n. 06, p. 1483–1491, 2011. DOI: 10.31026/j.eng.2011.06.14. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/3038. Acesso em: 14 mar. 2025.