http://www.etui.org/Publications2/Books/Innovative-union-practices-in-Central-Eastern-Europe
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
http://www.etui.org/Publications2/Working-Papers/Why-central-and-eastern-Europe-needs-a-pay-rise
https://www.ifri.org/fr/espace-media/lifri-medias/concept-de-souverainete-economique-industrielle-de-leurope-progressivement