https://ec.europa.eu/info/sites/info/files/annual-management-and-performance-report-2018.pdf
https://www.brookings.edu/blog/up-front/2022/10/24/ukrainian-recovery-funding-must-be-tied-to-anti-corruption/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=231056267&utm_source=hs_email
https://cepr.org/sites/default/files/policy_insights/PolicyInsight91.pdf
https://wiiw.ac.at/alternatives-in-the-design-of-sovereign-green-bonds-dlp-6412.pdf