
https://www.ipg-journal.de/rubriken/europaeische-integration/artikel/maechtig-maechtiger-eu-kommission-6567/

https://www.project-syndicate.org/commentary/putin-trump-g20-meeting-by-nina-l–khrushcheva-2017-07

https://worldjusticeproject.org/rule-of-law-index/