KARTHIKEYAN, M; ARUNACHALAM, A R. Enhancing User Accessibility in CAPTCHA Systems Without Compromising Security. International Academic Journal of Science and Engineering, [S. l.], v. 13, n. 1, p. 497–509, 2026. DOI: 10.71086/IAJSE/V13I1/IAJSE1346. Disponível em: https://iaiest.com/iaj/index.php/IAJSE/article/view/IAJSE1346. Acesso em: 6 nov. 2026.