JAKUBOWSKI, Andrzej; ŁUKASIAK, Lidia. Preface. Journal of Telecommunications and Information Technology, [S. l.], v. 38, n. 4, 2009. DOI: 10.26636/jtit.2009.4.951. Disponível em: https://jtit.pl/jtit/article/view/951. Acesso em: 22 apr. 2026.