Al-Bashir, Adnan, Mohamed Al-Dweri, Ahmad Al-Ghandoor, Bashar Hammad, and Wael Al-Kouz. 2019. “Analysis of Effects of Solar Irradiance, Cell Temperature and Wind Speed on Photovoltaic Systems Performance”. International Journal of Energy Economics and Policy 10 (1):353-59. https://www.econjournals.com/index.php/ijeep/article/view/8591.