يعقوب غ. ., السمارة م. ., and الشيخ م. . “Indicators of Economic Efficiency of a Photovoltaic Station - Model: Matn Alssahil Station –”. Tishreen University Journal -Biological Sciences Series, vol. 43, no. 1, Mar. 2021, https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/10482.