Multistage Gravity Beneficiation of Rutile in a Tar-Free Sand Residue. Hungarian Journal of Industry and Chemistry, [S. l.], v. 47, n. 2, p. 25–30, 2019. DOI: 10.33927/hjic-2019-17. Disponível em: https://hjic.mk.uni-pannon.hu/index.php/hjic/article/view/859. Acesso em: 26 apr. 2025.