http://www.etui.org/Publications2/Books/Innovative-union-practices-in-Central-Eastern-Europe
https://institutdelors.eu/wp-content/uploads/2021/10/BP_211006_La-primaute-du-droit-de-lUnion-europeenne_Omnes.pdf
https://home-affairs.ec.europa.eu/document/download/407045d2-beff-40fd-a403-eddbeb343fb0_en?filename=EU%20Action%20Plan%20for%20the%20Central%20Mediterranean_en.pdf
https://www.ips-journal.eu/index.php?id=340&L=0&tx_news_pi1%5Bnews%5D=3569&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&cHash=d26f1f115fd9e4efe0c4ae0efcba57a2