Ribeiro, Karém, Almir Sousa, and Pablo Rogers. “ Coffee Prices in Brazil: Predictive Variables in Cash and Future Markets ”. REGE Revista de Gestão 13, no. 1 (March 1, 2006): 11-30. Accessed September 20, 2020. https://www.revistas.usp.br/rege/article/view/36547.