https://www.brookings.edu/articles/what-is-at-stake-in-polands-election/
https://wiiw.ac.at/monthly-report-no-04-2024-dlp-6876.pdf
https://data.consilium.europa.eu/doc/document/ST-14065-2022-INIT/en/pdf
http://spinelligroup.eu/sites/spinelli/files/2018_manifesto_en.pdf