AfuwaiGwazah Cyril, and ShadrachHabila Shurinum. 2020. “INVESTIGATION OF THE VARIATION IN ELECTRICAL RESISTIVITY VALUES OF EARTH MATERIALS WITH DEPTH AT NARAYI AREA OF KADUNA STATE, NIGERIA”. FUDMA JOURNAL OF SCIENCES 4 (1), 321 -32. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/51.