http://library.fes.de/pdf-files/id/ipa/13354.pdf
https://www.opendemocracy.net/en/pandemic-border/keeping-italian-agri-food-system-alive-migrant-farmworkers-wanted/
https://uk.yahoo.com/news/brexit-still-wont-happen-says-legal-expert-claimed-article-50-never-triggered-104433721.html