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

https://visegradinsight.eu/central-europe-in-2020/

https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1609en.pdf