
https://www.euronews.com/2018/09/25/why-is-the-irish-border-issue-so-complex-euronews-answers

http://www.fdiintelligence.com/Locations/Europe/United-Kingdom/Brexit-the-UK-and-FDI-one-year-on?utm_campaign=Enews+June+2nd+issue&utm_source=emailCampaign&utm_medium=email&utm_content=

https://www.iod.com/Portals/0/PDFs/Campaigns%20and%20Reports/Europe%20and%20trade/Business-of-Brexit.pdf?ver=2017-05-22-090428-150