http://www.epc.eu/documents/uploads/pub_7576_northernirelandandbrexit.pdf
https://www.crisisgroup.org/asia/north-east-asia/china-iran-saudi-arabia/how-beijing-helped-riyadh-and-tehran-reach-detente
https://www.brookings.edu/blog/order-from-chaos/2022/06/03/turkeys-threat-to-derail-swedish-and-finnish-nato-accession-reraises-the-kurdish-question/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=215596725&utm_source=hs_email