LENZ, A. M.; SOUZA, S. N. M. de; NOGUEIRA, C. E. C.; GURGACZ, F.; PRIOR, M.; PAZUCH, F. A. <b>Analysis of absorbed energy and efficiency of a solar flat plate collector. Acta Scientiarum. Technology, [S. l.], v. 39, n. 3, p. 279–284, 2017. DOI: 10.4025/actascitechnol.v39i3.29352. Disponível em: https://periodicos.uem.br/actascitechnol/index.php/ActaSciTechnol/article/view/29352. Acesso em: 6 set. 2025.