https://www.etui.org/content/download/36217/363575/file/F-B_07_EN_WEB.pdf
https://transparency.eu/burning-candle-mep-income/
https://www.ilo.org/media/545771/download
http://www.britishchambers.org.uk/press-office/press-releases/bcc-firms-invest-in-local-labour-but-still-need-foreign-skills-to-plug-shortages.html