
https://centreonconstitutionalchange.ac.uk/sites/default/files/2021-04/Union%20at%20the%20Crossroads.pdf

https://www.linkiesta.it/2020/05/macron-merkel-piano-iniziativa-500-miliardi/

https://wiiw.ac.at/still-in-the-fast-lane-how-can-eu-cee-get-its-groove-back-dlp-6997.pdf