PAVAN KALYAN MEESALA; YESWANTH KUMAR CHALA. Unique Code Based Mobile Attendance System with An Emphasis on Fraud Prevention. International Journal of Progressive Research in Science and Engineering , [S. l.], v. 3, n. 09, p. 25–31, 2022. Disponível em: https://journal.ijprse.com/index.php/ijprse/article/view/708. Acesso em: 6 may. 2024.