Yar’adua, Idris Shamahuddeen, Umar Usman, Shamsuddeen Suleiman, and Muhd A. Bui. 2021. “AN INVESTIGATION OF CRIMES RATES USING CO-KRIGING AND INVERSE DISTANCE WEIGHTS IN KATSINA STATE, NIGERIA”. FUDMA JOURNAL OF SCIENCES 5 (3):385 -89. https://doi.org/10.33003/fjs-2021-0503-766.