Rashid Abdulrahman, Khudhur, and Faten Abdel-Baqi Khaled. 2022. “The Effect of Dust and Shadows on the Efficiency of Polycrystalline Solar Panel in Dohuk City -A Study in Applied Climate –”. Adab Al-Rafidayn 52 (89.1):701-21. https://doi.org/10.33899/radab.2022.175211.