
https://www.theguardian.com/politics/2017/may/04/brexit-talks-leadership-vacuum-leaves-45-chance-of-no-deal

https://www.socialeurope.eu/romania-and-bulgaria-stuck-in-eus-second-tier

https://www.ips-journal.eu/topics/democracy-and-society/between-human-rights-and-border-control-6860/