
https://www.theatlantic.com/international/archive/2021/09/afghanistan-brain-drain/619959/?utm_source=newsletter&utm_medium=email&utm_campaign=03%2F09%2F21

http://blogs.lse.ac.uk/brexit/2017/05/31/eu-migrants-going-home-with-skills-acumen-and-higher-expectations/

http://uk.reuters.com/article/us-britain-eu-negotiations-idUKKBN17R1XJ