“Studying the Effect ofthe Type of Dirt onthe Electric Performance of Polycrystalline Silicon Photovoltaic Panels”, مجلة العلوم الهندسية, vol. 41, no. 3, Aug. 2025, Accessed: Jun. 18, 2026. [Online]. Available: https://journal.damascusuniversity.edu.sy/index.php/engj/article/view/8284