SZCZEPAŃSKI, Paweł. Preface. Journal of Telecommunications and Information Technology, [S. l.], v. 44, n. 2, 2011. DOI: 10.26636/jtit.2011.2.1138. Disponível em: https://jtit.pl/jtit/article/view/1138. Acesso em: 20 apr. 2026.