
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6430&CESifoWP.search=+

https://www.ifri.org/sites/default/files/atoms/files/gaulme_charlesiii-afrique_2023.pdf

https://www.reuters.com/world/leaked-us-intel-document-claims-serbia-agreed-arm-ukraine-2023-04-12/