N. Okomba, A. Sobowale, A. Esan, B. Omodunbi, T. Awoyemi, and E. Afolabi, “Development of an ai-driven secure safe box biometric authentication system using speech and face recognition technique: Development of an ai-driven secure safe box biometric authentication system using speech and face recognition technique”, laujet, vol. 19, no. 5, pp. 67–75, Dec. 2025.