Improving the Solar Panel Efficiency by Using Cooling and Cleaning Techniques: Improving the Solar Panel Efficiency by Using Cooling and Cleaning Techniques. Journal of University of Babylon for Engineering Sciences, [S. l.], v. 26, n. 1, p. 7–18, 2017. Disponível em: https://www.journalofbabylon.com/index.php/JUBES/article/view/1174. Acesso em: 3 may. 2025.