https://www.whitehouse.gov/wp-content/uploads/2018/10/The-Opportunity-Costs-of-Socialism.pdf
https://www.ispionline.it/en/publication/serbian-elections-political-survival-in-times-of-global-crises-156899
https://www.infolibre.es/opinion/plaza-publica/protestan-serbios-kosovo_129_1516636.html