
https://theconversation.com/la-anomalia-empirica-de-las-elecciones-en-argentina-donde-dos-mas-dos-no-suman-cuatro-217319

https://ec.europa.eu/commission/sites/beta-political/files/security_defence_and_foreign_policy.pdf

https://www.brookings.edu/articles/is-us-security-dependent-on-limiting-chinas-economic-growth/