TY - BOOK AU - Bukhari, Syeda Mehwish Hina AU - Dr. Parvez Akhter TI - Determination of performance and degradation rate of grid tied PV systems in Islamabad Pakistan using performance ratio, performance index, metered kwh methods and economic analysis U1 - 620.0011 PY - 2016/// CY - Islamabad PB - USPCAS-E - NUST KW - Energy System Engineering MS-Thesis ER -