
https://ukandeu.ac.uk/wp-content/uploads/2020/10/UK-internal-Market-Bill-devolution-and-the-union.pdf

https://visegradinsight.eu/central-european-nationalisms/

https://www.europarl.europa.eu/sides/getDoc.do?pubRef=-//EP//NONSGML+TA+P6-TA-2009-0213+0+DOC+PDF+V0//EN