https://ec.europa.eu/commission/sites/beta-political/files/reflection-paper-emu_en.pdf
http://tdem.eu/
https://www.socialeurope.eu/wp-content/uploads/2017/06/EURO-web.pdf
http://www.ebrd.com/cs/Satellite?c=Content&cid=1395272118012&d=&pagename=EBRD%2FContent%2FDownloadDocument