Energy, Economic, and Environmental Performance Analysis of a Perforated-Air PV/T Solar Collector with Variable Airflow During Winter in Zakho/Iraq. AREJ [Internet]. 2026 Mar. 1 [cited 2026 Jul. 22];31(1):49-68. Available from: https://rengj.uomosul.edu.iq/index.php/rengj/article/view/61838