MOLAN, M. A., HAMAKHAN, I. A., & M.SHAREEF, S. J. (2017). EXERGETIC ANALYSIS OF A SOLAR PHOTOVOLTAIC TRACKING SYSTEM IN ERBIL, IRAQ. Journal of Duhok University, 20(1), 381-393. https://doi.org/10.26682/sjuod.2017.20.1.35