Najem, Alaa. “YEARLY IMPROVEMENT OF GRID-CONNECTED SOLAR PV SYSTEM PARAMETERS BY PLANAR CONCENTRATORS”. The Journal of Engineering Research [TJER] 19, no. 2 (April 5, 2023): 140–151. Accessed December 22, 2024. https://journals.squ.edu.om/index.php/tjer/article/view/4989.