http://www.ips-journal.eu/regions/europe/article/show/the-new-east-bloc-is-open-for-business-2523/
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/260-peace-ukraine-ii-new-approach-disengagement
https://theconversation.com/el-respaldo-popular-de-lopez-obrador-un-dato-clave-para-saber-quien-sera-la-primera-presidenta-de-mexico-220416