DEEPAK CHOUDHARY. Study on Energy Gap and Refractive Index Relations in Perovskite Solar Cell. International Journal of Engineering and Management Research, [S. l.], v. 10, n. 5, p. 142–145, 2020. DOI: 10.31033/ijemr.10.5.23. Disponível em: https://ijemr.vandanapublications.com/index.php/j/article/view/486. Acesso em: 18 mar. 2026.