
https://news.economiesuisse.ch/e/4f927f3c6102b2b8/nl/be1670358d5baafc939d524a/webversion/99eb2b6c427d84cd57951418b2ea143e45e209af/de.html

http://www.niesr.ac.uk/sites/default/files/publications/Facing%20the%20Future%20Tackling%20post-Brexit%20Labour%20and%20skills%20NIESR.CIPD_.pdf

https://www.cer.eu/sites/default/files/insight_SL_5.11.19_2.pdf