Sakhare, Sachin R., and Vivek D. Patil. “Implementation of Captcha Mechanisms Using Deep Learning to Prevent Automated Bot Attacks”. Research Journal of Computer Systems and Engineering 4, no. 2 (December 31, 2023): 01–15. Accessed May 19, 2024. https://www.technicaljournals.org/RJCSE/index.php/journal/article/view/70.