
http://www.votewatch.eu/blog/alliances-matter-political-networks-the-rule-of-law-principles-and-the-split-of-eu-money-mff/

http://www.europarl.europa.eu/ftu/pdf/en/FTU_5.9.1.pdf

https://blogs.lse.ac.uk/europpblog/2023/12/18/is-there-a-future-for-the-eus-eastern-partnership/