
https://www.sussex.ac.uk/webteam/gateway/file.php?name=briefing-paper-1.pdf&site=18

http://www.pewglobal.org/2017/06/15/post-brexit-europeans-more-favorable-toward-eu/?cmpid=BBBXT061617_BIZ&utm_medium=email&utm_source=newsletter&utm

https://www.idea.int/sites/default/files/2024-02/the-global-state-of-democracy-2023-the-new-checks-and-balances.pdf