Álvarez Ramírez, Fernando de Jesús, and Fabio Inocencio Yaguapaz Yarpaz. 2013. Preliminary Study of Agrobiodiversity in the Peasant School of Agroecology of San Rafael, Municipality of Tuluá. Agriculture, Livestock and Environment. Colombia,CO: Sello Editorial UNAD. https://doi.org/10.22490/UNAD.