Pooja N. Sawarekar, Anuradha Salvi, and Shilpa R. Bhoyar. “Review of CaRP: CAPTCHA As Graphical Passwords”. Journal of Electronic Design Engineering 8, no. 1 (April 10, 2022): 7–12. Accessed May 12, 2025. https://www.matjournals.co.in/index.php/JOEDE/article/view/328.