http://www.cepii.fr/PDF_PUB/pb/2021/pb2021-36.pdf
https://www.brookings.edu/blog/order-from-chaos/2019/05/09/germany-is-in-danger-of-losing-some-old-friends/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=72568964
https://theconversation.com/in-bamboo-diplomacy-late-vietnam-leader-nguyen-phu-trong-left-a-path-for-smaller-nations-to-navigate-great-power-rivalries-235633
https://icg-prod.s3.amazonaws.com/237-european-policy-toward-palestine.pdf