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

http://www.bmwi.de/Redaktion/DE/Publikationen/Monatsbericht/schlaglichter-der-wirtschaftspolitik-05-2017.pdf?__blob=publicationFile&v=24

https://www.ips-journal.eu/topics/european-integration/europes-south-on-the-path-to-recovery-5241/?utm_campaign=en_903_20210615&utm_medium=email&utm_source=newsletter