PAJTINKA, Erik. Public Diplomacy as a Theoretical Problem: Searching for a Definition. European Journal of Transformation Studies, [S. l.], v. 7, n. 2, p. 21–32, 2019. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/journal-transformation/article/view/5006. Acesso em: 7 may. 2024.