D. N. Bora, P. M. . Bora, D. V. S. . Tidake, G. P. . Dhomse, and D. P. . Pawar, “AI-driven biometric CAPTCHA: defending against automated ‎threats in web security”, IJBAS, vol. 14, no. 1, pp. 32–39, Apr. 2025, doi: 10.14419/fab5t109.