Energy, Economic, and Environmental Performance Analysis of a Perforated-Air PV/T Solar Collector with Variable Airflow During Winter in Zakho/Iraq. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 31, n. 1, p. 49–68, 2026. DOI: 10.33899/arej.v31i1.61838. Disponível em: https://rengj.uomosul.edu.iq/index.php/rengj/article/view/61838. Acesso em: 22 jul. 2026.