https://www.socialeurope.eu/romania-and-bulgaria-stuck-in-eus-second-tier
https://www.esri.ie/system/files/publications/RS158_0.pdf
https://www.project-syndicate.org/commentary/poland-hungary-elections-2019-by-slawomir-sierakowski-2019-10
https://blogs.lse.ac.uk/europpblog/2023/03/08/nilde-iotti-and-european-democracy/