JAKUBOWSKI, Andrzej; ŁUKASIAK, Lidia. Preface. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 15, n. 1, 2004. DOI: 10.26636/jtit.2004.1.236. Disponível em: https://www.jtit.pl/jtit/article/view/236. Acesso em: 9 jul. 2026.