Study of the Effect of Brightness After Penetration of Light from a Lens. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 64, n. 5, 2013. DOI: 10.11113/jt.v64.2127. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/2127.. Acesso em: 19 nov. 2024.