Chepkurui, Jonah, and Saphina Biira. “Thermal Performance Evaluation of the Funnel Solar Cooker of Different Funnel Lengths Implemented in Nagongera, Uganda”. Tanzania Journal of Science 46, no. 1 (March 31, 2020): 53–60. Accessed May 5, 2024. https://tjs.udsm.ac.tz/index.php/tjs/article/view/96.