Hove, T, and D Chipfunhu. “Estimating Collectable Solar Energy by Partially Shaded Collectors Using Custom-Designed Charts and Tables: Demonstration for Typical Zimbabwe Locations”. Journal of Energy in Southern Africa 17, no. 3 (August 1, 2006): 29–38. Accessed July 21, 2024. https://journals.assaf.org.za/index.php/jesa/article/view/3262.