
https://www.socialeurope.eu/backsliding-in-belgrade-serbias-european-future

https://wiiw.ac.at/time-for-change-in-eu-economic-policy-dlp-6514.pdf

https://institutdelors.eu/wp-content/uploads/2021/10/BP_211006_La-primaute-du-droit-de-lUnion-europeenne_Omnes.pdf