Alhassan, S., B. Haruna, and D. Garba. “Solar Water Heating Systems Potential in Nigeria- A Review”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE, vol. 5, no. 8, Aug. 2019, pp. 06-15, doi:10.31695/IJASRE.2019.33461.