http://www.transparency.org/news/feature/europe_and_central_asia_an_overall_stagnation
http://visegradinsight.eu/app/uploads/2019/11/EaP-2030-Trends.pdf
https://blogs.imf.org/2019/04/10/high-debt-hampers-countries-response-to-a-fast-changing-global-economy/?utm_medium=email&utm_source=govdelivery
https://www.atlantico.fr/decryptage/3593256/la-dette-europeenne-s-arrache-comme-des-petits-pains-mais-il-y-a-une-tres-mauvaise-nouvelle-derriere-la-bonne-euro-bce-mathieu-mucherie-?utm_source=wm&utm_medium=email&utm_campaign=20201023