https://www.populismstudies.org/wp-content/uploads/2023/03/Download-Report-on-Bulgaria.pdf
https://www.piie.com/blogs/realtime-economics/new-rules-curbing-us-investment-china-will-be-tricky-implement
https://www.socialeurope.eu/2017/06/britains-deepening-confusion/
http://www.ecfr.eu/article/commentary_europe_seen_from_ukraine_7224