GAJ, Magdalena. International Co-operation Needed to Face Information Age Challenges. Journal of Telecommunications and Information Technology, Warsaw, Poland, n. Special Issue, p. 8–9, 2010. DOI: 10.26636/jtit.2010.4.1106. Disponível em: https://jtit.pl/jtit/article/view/1106. Acesso em: 11 sep. 2026.