
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1710en.pdf

https://www.project-syndicate.org/commentary/poland-hungary-elections-2019-by-slawomir-sierakowski-2019-10

https://www.elysee.fr/emmanuel-macron/2019/03/04/pour-une-renaissance-europeenne