PAJER, Mariusz; CHĘĆ, Jolanta. New multimedia and telematic tools for asynchronous distance learning. Journal of Telecommunications and Information Technology, [S. l.], v. 7, n. 1, p. 65–70, 2002. DOI: 10.26636/jtit.2002.1.90. Disponível em: https://jtit.pl/jtit/article/view/90. Acesso em: 9 oct. 2025.