Improving the Efficiency of the Polycrystalline silicon cell using linear focus fresnel lens. Journal of the College of Basic Education, [S. l.], v. 19, n. 80, p. 909–922, 2022. DOI: 10.35950/cbej.v19i80.8095. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8095.. Acesso em: 1 jul. 2024.