
http://blogs.lse.ac.uk/brexit/2018/05/15/switzerland-wanted-more-immigration-controls-but-economic-self-interest-will-probably-prevail/

https://blogs.lse.ac.uk/brexit/2020/02/21/migration-how-scotland-hoped-to-do-things-differently/

https://www.opendemocracy.net/en/beyond-trafficking-and-slavery/exploitation-rule-not-exception/