MOHAMMED HAMDOON, O. A Review of Solar Air Heaters: Techniques for Thermal Performance Enhancement. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 25, n. 2, p. 46–59, 2020. DOI: 10.33899/rengj.2020.128374.1065. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/31107. Acesso em: 7 sep. 2025.