PREVENTING EXAM PAPER LEAKAGE THROUGH RTCSYNCHRONIZED RFID AND OTP AUTHENTICATION. International Journal of Engineering Research and Science & Technology, [S. l.], v. 13, n. 2, p. 5–8, 2017. DOI: 10.62643/. Disponível em: https://ijerst.org/index.php/ijerst/article/view/1042. Acesso em: 24 jun. 2026.