KULA, Sławomir. Preface. Journal of Telecommunications and Information Technology, [S. l.], v. 68, n. 2, 2017. DOI: 10.26636/jtit.2017.perface2 . Disponível em: https://jtit.pl/jtit/article/view/656. Acesso em: 4 jun. 2026.