https://wiiw.ac.at/outlier-or-not-the-ukrainian-economy-s-preparedness-for-eu-accession-dlp-6704.pdf
http://www.ebrd.com/cs/Satellite?c=Content&cid=1395272118012&d=&pagename=EBRD%2FContent%2FDownloadDocument
https://www.opendemocracy.net/sam-hufton/treatise-on-european-government-international?utm_source=Daily+Newsletter&utm_campaign=56a87bc735-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-56a87bc735-407405485
https://www.socialeurope.eu/romania-and-bulgaria-stuck-in-eus-second-tier