GEOSPATIAL ESTIMATION OF ROOFTOP SOLAR PHOTOVOLTAIC POTENTIAL IN CALABAR MUNICIPAL, CROSS RIVER STATE, NIGERIA. FJS [Internet]. 2023 Jun. 30 [cited 2025 Sep. 12];7(3):272-81. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1840