NIEWIADOMSKA-SZYNKIEWICZ, Ewa. Preface. Journal of Telecommunications and Information Technology, [S. l.], v. 76, n. 2, 2019. DOI: 10.26636/jtit.2019.preface2. Disponível em: https://jtit.pl/jtit/article/view/549. Acesso em: 20 apr. 2026.