DESIGN AND DEVELOP AN INSTITUTIONAL SMART ATTENDANCE SYSTEM BASED ON HEART BIT AND FINGERPRINT BIOMETRIC. JournalNX - A Multidisciplinary Peer Reviewed Journal, [S. l.], p. 44–47, 2021. Disponível em: https://repo.journalnx.com/index.php/nx/article/view/2107. Acesso em: 23 apr. 2026.