https://eur-lex.europa.eu/legal-content/FR/TXT/PDF/?uri=CELEX:32019R0452&from=EN
http://unctad.org/en/PublicationsLibrary/wir2017_en.pdf
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef19045en.pdf
https://equinoxmgt.com/sanctions-against-russia-a-fiasco/