KOŁODZIEJ, Joanna. Preface. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 54, n. 4, 2013. DOI: 10.26636/jtit.2013.4.1233. Disponível em: https://jtit.pl/jtit/article/view/1233. Acesso em: 13 jun. 2026.