
https://www.crisisgroup.org/europe-central-asia/balkans/bosnia-and-herzegovina/bosnia-deadlock-serbs-strain-exit

http://www.conservativegroupforeurope.org.uk/wordpress/wp-content/uploads/2017/09/Keeping-the-bridges-open-a-CGE-Policy-Options-Paper-.pdf

https://www.aspistrategist.org.au/why-putin-sees-the-us-nato-and-ukraine-as-a-threat/?utm_medium=email&utm_campaign=Weekly%20The%20Strategist&utm_content=Weekly%20The%20Strategist+CID_c38ed180dcd2311bccd6030479438705&utm_source=CampaignMonitor&utm_term=Why%20Putin%20sees%20the%20US%20NATO%20and%20Ukraine%20as%20a%20threat