
https://www.ceps.eu/wp-content/uploads/2022/11/next-steps-for-eu-enlargement-forwards-or-backwards.pdf

https://ukandeu.ac.uk/wp-content/uploads/2022/02/UKICE-British-Politics-after-Brexit.pdf

http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6438&CESifoWP.search=+