C. A. Bravo Medina, D. G. Benitez Jimenez, J. C. Vargas Burgos, R. D. Alemán Pérez, S. B. Torres Navarrete, and H. Marín, “Socio-Environmental Characterization of Agricultural Production Units in the Ecuadorian Amazon Region, Subjects: Pastaza and Napo”, Rev. Amaz. Cienc. Tecnol., vol. 4, no. 1, pp. 03–31, Apr. 2015.