Luna-Méndez, N., Jaramillo-Villanueva, J.L., Ramírez-Juárez, J., Escobedo-Garrido, S., Bustamante-González, Ángel and Campos-Ríos, G. 2013. Typology of walnut production units in traditional production systems. Agricultura, Sociedad y Desarrollo. 10, 3 (Dec. 2013), 283–303.