Rashid Abdulrahman, K. and Abdel-Baqi Khaled, F. 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 (Aug. 2022), 701–721. DOI:https://doi.org/10.33899/radab.2022.175211.