HARUNA UMAR, A. .; MUSA YARIMA, S. .; ALI, A. .; MOHAMMED IBRAHIM, A. . Two-Level Authentication IOT-Based Attendance Tracking System Using Fingerprint Biometry and RFID Card/Reader with Raspberry Controller. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY GOMBE, [S. l.], v. 9, n. 2A, p. 84-91, 2025. DOI: 10.64290/bima.v9i2A.1082. Disponível em: https://journal-academia.com/Ojs/index.php/bimajst/article/view/1082. Acesso em: 3 oct. 2025.