Kreem, Ola Abdul, and Hazim H. Hussain. “Performance of Elliptical Solar Cooker Suitable for Baghdad Environment”. Al-Mustansiriyah Journal of Science 32, no. 4 (November 20, 2021): 1–5. Accessed July 6, 2022. https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/1011.