SOMAIDA, M. H.; HAKIM, W. R.; RATIH, R.; YUSUF, D. Implementation of Cryptography for Database Security in a QR Code and Web-Based Student Attendance System. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 3, p. 533–540, 2025. DOI: 10.31004/riggs.v4i3.2031. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/2031. Acesso em: 24 apr. 2026.