https://www.brookings.edu/wp-content/uploads/2018/04/workingpaper114-elephantchartrevisited.pdf
http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:52017SC0201&from=EN
https://www.theatlantic.com/international/archive/2022/02/volodymyr-zelensky-courage-ukraine-russia/622948/?utm_source=newsletter&utm_medium=email&utm_campaign=01%2F03%2F22+