ŚMIGERSKA-BELCZAK, Iwona. International Cooperation in the Baltic Sea Region and the European Union Strategy in the aforementioned area. Gdansk International Studies, [S. l.], v. 15, n. 1-2, p. 27–45, 2017. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/gsm/article/view/2994. Acesso em: 19 may. 2024.