HILZENSAUER, Marlene. A way of integrating deaf, hearing- and speech-impaired people into modern communication society. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 24, n. 2, p. 32–40, 2006. DOI: 10.26636/jtit.2006.2.372. Disponível em: https://jtit.pl/jtit/article/view/372. Acesso em: 20 aug. 2026.