MOSKAL, Anna; SOBARNIA, Aleksandra; PAZERA, Szymon; KOPANIA, Zuzanna (RED.). Introduction .......... 19. W: The European Union in light of the COVID-19 Pandemic ‒ A Failure of European Integration or a Chance for Closer Cooperation among Member States?. Poland: Wydawnictwo Księgarnia Akademicka,2021. p. 19–25. DOI: 10.12797/9788381385763.01. Disponível em: https://books.akademicka.pl/publishing/catalog/book/273/chapter/5807. Acesso em: 1 sty. 2026.