HALILU, MAIMUNA. “FIELD GEOLOGY AND ECONOMIC ASSESSMENT OF A MINERALIZED BARYTE VEIN IN TOLA, MAYOBELWA AREA, NORTHEASTERN NIGERIA”. IJRDO-Journal of Applied Science 3, no. 8 (August 31, 2017): 48-52. Accessed October 6, 2024. http://13.234.104.160/index.php/as/article/view/1333.