Studying the Effect ofthe Type of Dirt onthe Electric Performance of Polycrystalline Silicon Photovoltaic Panels. مجلة العلوم الهندسية [Internet]. 2025 Aug. 26 [cited 2026 Jun. 18];41(3). Available from: https://journal.damascusuniversity.edu.sy/index.php/engj/article/view/8284