
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/256-peace-ukraine-i-european-war

https://blogs.lse.ac.uk/europpblog/2023/10/17/why-differentiation-is-now-at-the-heart-of-europes-political-system/

https://theconversation.com/es-posible-una-transicion-democratica-negociada-en-venezuela-216065