Barrera Varela, P. J. (2020). Two effects of COVID-19 in Colombia: Deepening inequality and a return to hyperpresidentialism. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Barrera Varela, Pedro Javier. Two Effects of COVID-19 in Colombia: Deepening Inequality and a Return to Hyperpresidentialism. Universidad Pedagógica y Tecnológica de Colombia, 2020.
MLA način citiranja (9. izdanje)Barrera Varela, Pedro Javier. Two Effects of COVID-19 in Colombia: Deepening Inequality and a Return to Hyperpresidentialism. Universidad Pedagógica y Tecnológica de Colombia, 2020.
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