http://cep.lse.ac.uk/pubs/download/brexit11.pdf
https://wiiw.ac.at/public-expenditure-and-tax-policy-for-the-post-war-reconstruction-of-ukraine-dlp-6573.pdf
https://www.opendemocracy.net/en/opendemocracyuk/customs-union-leaves-everything-play-trade-justice/?utm_source=Daily+Newsletter&utm_campaign=f531c721c4-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-f531c721c4-407405485
http://invs.santepubliquefrance.fr/publications/etat_sante_2017/ESP2017_Ouvrage_complet_vdef.pdf