https://www.socialeurope.eu/social-ecological-public-procurement
https://www.tandfonline.com/doi/epdf/10.1080/13501763.2023.2231029
https://wiiw.ac.at/rrf-2-0-ein-permanenter-eu-investitionsfonds-im-kontext-von-energiekrise-klimawandel-und-eu-fiskalregeln-dlp-6413.pdf
https://ca1-eci.edcdn.com/reports/ECIU-Oxford_Taking_Stock.pdf?v=1616461369