Design and improving the work of a concave solar collector - CSC. Periodicals of Engineering and Natural Sciences, [S. l.], v. 8, n. 3, p. 1471–1481, 2020. DOI: 10.21533/pen.v8.i3.1187. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1187. Acesso em: 3 jun. 2026.