KULA, Sławomir. Preface. Journal of Telecommunications and Information Technology, [S. l.], v. 55, n. 1, 2014. DOI: 10.26636/jtit.2014.1.994. Disponível em: https://jtit.pl/jtit/article/view/994. Acesso em: 4 jun. 2026.