HAŁKA, Wojciech; SZCZEPAŃSKI, Paweł. Message, Preface. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 46, n. 4, 2011. DOI: 10.26636/jtit.2011.4.1170. Disponível em: https://www.jtit.pl/jtit/article/view/1170. Acesso em: 19 aug. 2026.