https://www.socialeurope.eu/2017/06/britains-deepening-confusion/
https://theconversation.com/el-trasfondo-economico-de-la-crisis-politica-en-bolivia-233757
https://www.robert-schuman.eu/en/doc/entretiens-d-europe/ee-100-en.pdf
http://www.cobcoe.eu/files/cobcoe-brexit-report-september-2017-e-Y4G2st.pdf