https://www.publications.parliament.uk/pa/cm201617/cmselect/cmexeu/1125/1125.pdf
https://publications.parliament.uk/pa/cm201719/cmselect/cmhaff/961/961.pdf
https://ukandeu.ac.uk/trade-migration-and-brexit/
https://www.adimblog.com/wp-content/uploads/2022/12/5.-Romeo_Flussi_DEF.pdf