UdumaA. U., JacobA. G., and UdumaMaria B. 2023. “ENERGY DISPERSIVE X-RAY FLUORESCENCE ANALYSIS (EDXFA) OF TIN CONTENT IN CASSITERITE OBTAINED FROM RAY-FIELD MINING SITE, JOS”. FUDMA JOURNAL OF SCIENCES 1 (1), 185 -88. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1244.