https://www.swp-berlin.org/publications/products/studien/2022S05_Strafverfolgung_Ukraine.pdf
https://www.brookings.edu/articles/can-sanctions-change-the-course-of-conflict/
https://feps-europe.eu/news/friends-of-western-balkans-open-letter/
http://www.css.ethz.ch/content/dam/ethz/special-interest/gess/cis/center-for-securities-studies/pdfs/CSSAnalyse225-EN.pdf