
http://blogs.lse.ac.uk/brexit/2018/01/30/svexit-or-huxit-how-another-country-could-follow-the-uk-out-of-the-eu/

https://www.ipg-journal.de/regionen/europa/artikel/detail/national-oekologisches-patchwork-3976/

https://theconversation.com/brics-expansion-six-more-nations-are-set-to-join-what-theyre-buying-into-212200