The Use of Solar Water Heaters in Iraq An Economic Study. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 27, n. 1, p. 56–63, 2022. DOI: 10.33899/rengj.2021.131217.1129. Disponível em: https://rengj.uomosul.edu.iq/index.php/rengj/article/view/30637. Acesso em: 1 sep. 2026.