https://ukandeu.ac.uk/wp-content/uploads/2020/05/UKICE-Post-Brexit-Gov-NI-Report.pdf
https://www.socialeurope.eu/the-final-countdown-the-eu-poland-and-the-rule-of-law
https://www.d-kart.de/en/blog/2020/05/11/ultra-vires/
https://www.brookings.edu/wp-content/uploads/2022/05/Tax-and-Bad-Deal-for-Development_Final.pdf