
https://cdn.ceps.eu/wp-content/uploads/2023/09/2023_17_Potential-Impact-of-Ukrainian-Accession-on-the-EUs-Budget.pdf

https://www.brookings.edu/articles/whats-ahead-for-the-wagner-group-in-africa-and-the-middle-east/

https://www.al-monitor.com/originals/2023/11/how-russias-redut-pmc-forced-rival-wagner-withdraw-syria