"DELINEATION OF MINERAL POTENTIAL ZONES OVER KEFFI – ABUJA AREA IN NORTH-CENTRAL, NIGERIA USING AEROMAGNETIC DATA" (2016) FULafia Journal of Science and Technology, 2(2), ص 106–110. موجود في: https://lafiascijournals.org.ng/index.php/fjst/article/view/60 (تاريخ الوصول: 17 مايو 2026).