Experimental Study of a Solar Air Heater with Copper Wool Integrated on the Absorber Plate. International Journal of Green and Renewable Energy, [S. l.], v. 1, n. 1, p. 12–17, 2024. DOI: 10.37547/ijgre.2024.113. Disponível em: https://hansenpub.com/index.php/ijgre/article/view/8. Acesso em: 14 mar. 2025.