Jadon, Parul, Darpan Anand, and Jayash Sharma. “Solving Idioms With the Help of emoji’s Based Captcha for Security System”. International Journal of Computer Sciences and Engineering 6, no. 3 (November 12, 2025): 127–132. Accessed February 2, 2026. https://ijcse.isroset.org/index.php/j/article/view/1988.