Jagtap, Akash, Anil Sarwade, Harshal Jhalawat, and Mrs. R. V. Chaudhari. “Secret Questions Based Authentication System for Android Smartphone”. International Journal on Recent and Innovation Trends in Computing and Communication 7, no. 4 (April 10, 2019): 01–03. Accessed September 13, 2025. https://mail.ijritcc.org/index.php/ijritcc/article/view/5275.