AkpanenoA.; AbdulwahabS. GEOPHYSICAL INVESTIGATION OF GROUNDWATER CONTAMINATION USING DC RESISTIVITY TECHNIQUE AT THE MALE HOSTEL OF ISA KAITA COLLEGE OF EDUCATION DUTSIN-MA, KATSINA STATE, NIGERIA. FUDMA JOURNAL OF SCIENCES, v. 4, n. 4, p. 547 - 560, 13 Jul. 2021.