García P, Milena, Luís Montaño Quintero, and Alexandra Montoya R. “Comparative Analysis of Productive Chain the Production of Cocoa Between Colombia and Ecuador”. Revista de Ciencias Agrícolas 29, no. 1 (September 19, 2012): 99-112. Accessed November 19, 2019. http://revistas.udenar.edu.co/index.php/rfacia/article/view/372.