https://economicgraph.linkedin.com/resources/linkedin-workforce-report-uk-april-2018
http://blogs.sussex.ac.uk/uktpo/files/2017/11/Briefing-Paper-11.pdf
https://www.boeckler.de/pdf/p_imk_report_141e_2018.pdf
https://ukandeu.ac.uk/explainers/the-protocol-on-ireland-northern-ireland/?mc_cid=2bd4dc8e93&mc_eid=815b1928ec