https://www.brookings.edu/articles/the-return-of-the-enemy/
https://www.ips-journal.eu/topics/foreign-and-security-policy/turkeys-a-la-carte-foreign-policy-6346/?utm_campaign=en_1053_20221125&utm_medium=email&utm_source=newsletter
https://www.brookings.edu/blog/order-from-chaos/2023/01/27/syrias-dissolving-line-between-state-and-nonstate-actors/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=243868553&utm_source=hs_email
http://sro.sussex.ac.uk/id/eprint/110932/1/BP-70.pdf