BENEFICIATION OF AZARA BARITE ORE USING A COMBINATION OF JIGGING, FROTH FLOTATION AND LEACHING. Nigerian Journal of Technology, [S. l.], v. 37, n. 4, p. 957–962, 2018. DOI: 10.4314/njt.374.1857. Disponível em: https://nijotech.com/index.php/nijotech/article/view/1857. Acesso em: 17 apr. 2026.