
https://www.ips-journal.eu/topics/foreign-and-security-policy/belgrade-needs-a-new-foreign-policy-7685/

http://www.diw.de/documents/publikationen/73/diw_01.c.562050.de/17-29.pdf

https://corporateeurope.org/sites/default/files/2020-06/Corporate-lobbying-DE-presidency-web%20DE.pdf