Martinez Villalba, Yulieth Estefani. “Coffee Elite in Colombia and Its Participation in the Foreign Policy During the First Half of the 20th Century”. Conjuntura internacional 16, no. 1 (agosto 9, 2019): 58. Acessado outubro 4, 2022. http://periodicos.pucminas.br/index.php/conjuntura/article/view/18531.