https://www.publications.parliament.uk/pa/ld201314/ldselect/ldeucom/164/164.pdf
https://www.socialeurope.eu/unions-responses-to-the-covid-19-crisis-in-europe
https://www.boe.es/boe/dias/2021/12/30/pdfs/BOE-A-2021-21788.pdf
https://www.rec.uk.com/news-and-policy/press-releases/hiring-mistakes-are-costing-uk-businesses-billions-each-year-rec