https://curia.europa.eu/jcms/upload/docs/application/pdf/2020-04/cp200040en.pdf
http://www.telegraph.co.uk/news/2017/05/23/66m-migrants-waiting-cross-europe-africa-report/
https://rm.coe.int/fifth-evaluation-round-preventing-corruption-and-promoting-integrity-i/1680a2a1b1
https://www.bertelsmann-stiftung.de/fileadmin/files/BSt/Publikationen/GrauePublikationen/WKIO_2020_final.pdf?utm_source=POLITICO.EU&utm_campaign=15a7cc1e87-EMAIL_CAMPAIGN_2020_04_08_08_59&utm_medium=email&utm_term=0_10959edeb5-15a7cc1e87-190380769