Sáez Pérez, D. S. “Agency, Productivity and Sustainability: Cocoa Production Experience in the Hamlet of El Tesoro on Barinas State 2017­-2018”. Mayéutica Revista Científica De Humanidades Y Artes, vol. 7, Feb. 2019, pp. 32-59, https://revistas.uclave.org/index.php/mayeutica/article/view/2091.