Influences of the Twisted Strips Insertion on the Performance of Flat Plate Water Solar Collector. Al-Khwarizmi Engineering Journal, [S. l.], v. 11, n. 3, p. 37–47, 2015. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/232.. Acesso em: 4 may. 2024.