Experimental and Theoretical Study for Performance Enhancement of Air Solar Collectors by Using Different Absorbers. Al-Khwarizmi Engineering Journal, [S. l.], v. 12, n. 3, p. 110–120, 2017. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/313.. Acesso em: 4 may. 2024.