https://wiiw.ac.at/the-russian-economy-amidst-the-war-and-sanctions-dlp-6727.pdf
https://blogs.lse.ac.uk/europpblog/2023/02/06/is-a-breakthrough-in-serbia-kosovo-negotiations-finally-possible/
https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/387/387.pdf