UKIN-State-of-the-EU-Report-1.pdf (ukandeu.ac.uk)
http://www.msz.gov.pl/en/news/deputy_minister_renata_szczech_takes_part_in_a_debate_on_europe_s_future
https://onlinelibrary.wiley.com/doi/epdf/10.1111/jcms.13411
https://blogs.lse.ac.uk/brexit/2021/04/13/the-totality-of-uk-irish-relations/