CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF GIDAN JAJA IRON ORE, ZAMFARA STATE, NIGERIA. Nigerian Journal of Technology, [S. l.], v. 38, n. 1, p. 93–98, 2018. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/1919. Acesso em: 18 may. 2026.