
https://www.corporatebenchmark.org/sites/default/files/2019-11/CHRB2019KeyFindingsReport.pdf

https://eur-lex.europa.eu/legal-content/IT/TXT/PDF/?uri=CELEX:52019DC0406&from=FR

https://www.bruegel.org/policy-brief/eu-can-manage-without-russian-liquified-natural-gas