Amos Veremachi, Azher Zia, and Boaventura Chongo Cuamba. “Parabolic Dish Concentrating Collector for Indirect Solar Cooking”. Global Journal of Science Frontier Research 17, no. I1 (January 15, 2017): 23–34. Accessed May 7, 2024. https://journalofscience.org/index.php/GJSFR/article/view/2135.