BABA, Alafara A; AJIBOLA, Oluwaseun; IBRAHIM, Abdullah S; ADEKOLA, Folahan A; SANNI, Ruth O; ABDULGANIYU, Yunusa. Upgrading of a Nigerian Ixiolite ore to Columbite by Sulphuric acid treatment. Metallurgical and Materials Engineering, [S. l.], v. 22, n. 3, p. 145–154, 2016. DOI: 10.30544/213. Disponível em: https://www.metall-mater-eng.com/index.php/home/article/view/213. Acesso em: 15 jul. 2026.