Vovk R. The Eastern Flank of Europe: Ukraine’s Place in the Collective Security System . 69. W: Bajor P, redaktor. Eastern Partnership: The Role and Significance in the Process of Transformation of the Countries of Eastern Europe and the South Caucasus [Internet]. Poland: Wydawnictwo Księgarnia Akademicka; 2021 [cytowane 1 styczeń 2026]. Dostępne na: https://books.akademicka.pl/publishing/catalog/book/347/chapter/7726