TODOROV, T.; BOGDANOVA, G.; NOEV, N. Accessibility Challenges with CAPTCHA Services in Digital Libraries. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 12, p. 255–262, 2022. DOI: 10.55630/dipp.2022.12.23. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2022.12.23. Acesso em: 24 apr. 2024.