KULA, Sławomir. Preface. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 59, n. 1, 2015. DOI: 10.26636/jtit.2015.1.768. Disponível em: https://www.jtit.pl/jtit/article/view/768. Acesso em: 15 jun. 2026.