
https://www.llri.lt/wp-content/uploads/2018/06/Labour-Migration_3.pdf

http://www.migrationobservatory.ox.ac.uk/resources/commentaries/brexodus-migration-and-uncertainty-after-the-eu-referendum/

https://blogs.lse.ac.uk/europpblog/2021/10/05/how-the-size-of-a-citys-immigrant-population-influences-feelings-of-trust-and-safety-in-urban-europe/