Afuwai GC, Shadrach HS. INVESTIGATION OF THE VARIATION IN ELECTRICAL RESISTIVITY VALUES OF EARTH MATERIALS WITH DEPTH AT NARAYI AREA OF KADUNA STATE, NIGERIA. FJS [Internet]. 2020Apr.14 [cited 2024Dec.19];4(1):321 -332. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/51