Silvia Lilibeth Pin Sancán, Zelena Jazmín Sancán León, Telly Yarita Macías Zambrano. 2021. “Feasibility of the Production of Traditional Palo Bean Coffee: An Ancestral Vision in Barranco Colorado”. International Journal of Economic Perspectives 15 (1):49-61. https://ijeponline.com/index.php/journal/article/view/243.