Calderon Tahua, William Andres, and William Fabian Teneda Llerena. “Analysis of the Socio-Economic Situation in the Cocoa Production Chain in the Canton of Pangua, Cotopaxi Province, Ecuador”. Universidad Ciencia y Tecnología 26, no. 113 (June 15, 2022): 13-20. Accessed July 4, 2025. https://uctunexpo.autanabooks.com/index.php/uct/article/view/565.