Thomas, D., Asuke, F., Yaro, S., & Adams, S. (2019). CHEMICAL, MINERALOGICAL AND PETROLOGICAL CHARACTERIZATION OF GYAZA IRON ORE DEPOSIT, KATSINA STATE, NIGERIA. Nigerian Journal of Technology, 38(3), 660–667. Retrieved from https://www.nijotech.com/index.php/nijotech/article/view/2056