UdumaA. U., JacobA. G., and UdumaMaria B. “ENERGY DISPERSIVE X-RAY FLUORESCENCE ANALYSIS (EDXFA) OF TIN CONTENT IN CASSITERITE OBTAINED FROM RAY-FIELD MINING SITE, JOS”. FUDMA JOURNAL OF SCIENCES 1, no. 1 (March 12, 2023): 185 - 188. Accessed May 2, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1244.