H. M. A. Ladan, A. Ukasha, A. D. A. Buba, and J. S. A. Adelabu, “EVALUATING SOLAR RADIATION POTENTIAL OF NORTH EAST USING ANGSTROM-PRESCOTT MODEL”, FJS, vol. 9, pp. 280–283, May 2025, doi: 10.33003/fjs-2025-09(AHBSI)-3410.