https://www.gov.pl/web/primeminister/letter-from-prime-minister-mateusz-morawiecki-to-the-heads-of-governments-and-the-presidents-of-the-european-council-the-european-commission-and-the-european-parliament-on-relations-between-national-law-and-european-law
https://apnews.com/article/democracy-europe-populist-far-right-dutch-poland-a16e22da1f62ca6940bab4749fae7ee6
https://ukandeu.ac.uk/wp-content/uploads/2022/02/UKICE-British-Politics-after-Brexit.pdf