https://publications.parliament.uk/pa/cm201719/cmselect/cmhaff/421/421.pdf
http://www.niesr.ac.uk/sites/default/files/publications/Facing%20the%20Future%20Tackling%20post-Brexit%20Labour%20and%20skills%20NIESR.CIPD_.pdf
https://eupinions.eu/index.php?id=12463
http://www.sussex.ac.uk/spru/newsandevents/2017/publications/food-brexit