ASHRAF, Anam; RAZA, Arif. Blind User. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 13, n. 2, p. 88–102, 2014. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/2189. Acesso em: 25 may. 2026.