PAJER, Mariusz; CHĘĆ, Jolanta; GALWAS, Bogdan A. New multimedia and telematic tools for asynchronous distance learning. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 7, n. 1, p. 65–70, 2002. DOI: 10.26636/jtit.2002.1.90. Disponível em: https://www.jtit.pl/jtit/article/view/90. Acesso em: 29 aug. 2026.