Saddam Al-Otab, Salman Ajib, Wolfgang Langner. A Comparative Investigation on Outdoor and Laboratory Test of the Degradation Rates for Different Types of Photovoltaic Modules with Different Exposure Periods. Glob. J. Energ. Technol. Res. Updat. [Internet]. 2018 Dec. 17 [cited 2024 Jul. 26];5(1):56-71. Available from: https://avantipublishers.com/index.php/gjetru/article/view/771