Automated CAPTCHA Generation Using Machine Learning For Image And Audio Challenges. International Journal of Information Technology and Computer Engineering, [S. l.], v. 13, n. 2s, p. 253–261, 2025. DOI: 10.62647/IJITCE2025V13I2sPP253-261. Disponível em: https://ijitce.org/index.php/ijitce/article/view/1310. Acesso em: 15 oct. 2025.