TSIOLIARIDOU, Ageliki N; ZHANG, Chi; LIASKOS, Christos K. Fast and Fair Handling of Multimedia CAPTCHA Flows. International Journal of Interactive Mobile Technologies (iJIM), [S. l.], v. 9, n. 4, p. pp. 64–68, 2015. DOI: 10.3991/ijim.v9i4.4644. Disponível em: https://online-journals.org/index.php/i-jim/article/view/4644. Acesso em: 1 may. 2024.