http://ec.europa.eu/eurostat/statistics-explained/index.php/Acquisition_of_citizenship_statistics
https://www.brookings.edu/blog/techtank/2018/05/07/how-the-eus-general-data-protection-regulation-empowers-digital-civic-engagement/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=62803362
http://www.cam.ac.uk/research/news/cognitive-flexibility-associated-with-voting-attitudes-in-eu-referendum-study-finds
https://www.bloomberg.com/news/articles/2018-04-04/europe-s-growth-engine-is-running-out-of-steam-chart
https://www.pwc.co.uk/economic-services/assets/international-impact-of-automation-feb-2018.pdf
https://openmigration.org/en/op-ed/how-immigrants-are-saving-the-italian-economy-and-pensions/
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/699106/UK_position_paper_on_future_of_cohesion_policy_.pdf
https://www.opendemocracy.net/od-russia/thomas-rowley/talented-solidarity-chronicle-of-current-events?utm_source=Daily+Newsletter&utm_campaign=2fcad750b7-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-2fcad750b7-407405485
http://www2.assemblee-nationale.fr/documents/notice/15/projets/pl0806/(index)/projets-loi