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