“DELINEATION OF MINERAL POTENTIAL ZONES OVER KEFFI – ABUJA AREA IN NORTH-CENTRAL, NIGERIA USING AEROMAGNETIC DATA”.
FULafia Journal of Science and Technology , vol. 2, no. 2, Dec. 2016, pp. 106-10,
https://lafiascijournals.org.ng/index.php/fjst/article/view/60.