Energy exergetic and economic analysis (3E) in a flat solar collector with thermal storage for air heating. Periodicals of Engineering and Natural Sciences, [S. l.], v. 11, n. 6, p. 36–55, 2023. DOI: 10.21533/pen.v11.i6.193. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/193. Acesso em: 2 aug. 2026.