BUCARAM LEVARONE, M.; QUINDE ROSALES, F.; MAYORGA RAMOS, J.; BUENO QUINONEZ, M. Evaluation of the technical efficiency in the production of National Cocoa in the main cantons of the province of Guayas. Universidad Ciencia y Tecnología, v. 25, n. 110, p. 14-22, 24 Aug. 2021.