https://www.iedonline.eu/download/2017/IED-REPORT-Bratislava-2017.pdf
https://www.capital.fr/economie-politique/commissariat-au-plan-la-premiere-note-de-francois-bayrou-flinguee-par-le-cese-1387826?utm_source=welcoming&utm_medium=cpc&utm_campaign=pmo_cap_article
https://wiiw.ac.at/still-in-the-fast-lane-how-can-eu-cee-get-its-groove-back-dlp-6997.pdf
https://www.consilium.europa.eu/media/ny3j24sm/much-more-than-a-market-report-by-enrico-letta.pdf