https://theconversation.com/brics-expansion-six-more-nations-are-set-to-join-what-theyre-buying-into-212200
https://www.foreignaffairs.com/south-america/overcoming-legacies-dictatorship
https://ec.europa.eu/commission/sites/beta-political/files/communication-credible-enlargement-perspective-western-balkans_en.pdf