On the characterization of sandwich panels for solar flat plate collectors’ applications: theoretical and experimental investigation. Journal of Applied Engineering Science & Technology, [S. l.], v. 2, n. 1, p. 8, 2016. DOI: 10.69717/jaest.v2.i1.24. Disponível em: https://journals.univ-biskra.dz/index.php/jaest/article/view/24.. Acesso em: 20 sep. 2024.