https://www.tuc.org.uk/news/cbi-and-tuc-call-prime-minister-change-brexit-approach?language=cy
https://rusi.org/sites/default/files/newsbrief_37.3_elliott.pdf
http://www.fdf.org.uk/news.aspx?article=8062
http://www.ips-journal.eu/regions/global/article/show/brexit-but-what-about-africa-2199/