http://www.ips-journal.eu/regions/global/article/show/brexit-but-what-about-africa-2199/
https://www.foreignaffairs.com/china/xi-jinping-age-stagnation
https://theconversation.com/la-crisis-de-venezuela-muestra-lo-dificil-que-es-garantizar-los-derechos-humanos-y-la-democracia-237008
https://www.iai.it/sites/default/files/9788893682367.pdf