
http://blogs.lse.ac.uk/brexit/2018/07/09/british-influence-in-brussels-had-been-far-greater-than-recognised/

https://www.sieps.se/globalassets/publikationer/2023/2023_10epa.pdf

https://blogs.lse.ac.uk/europpblog/2023/09/15/what-unites-and-what-divides-poland/