Olaya, D. M. S., O. G. Velandia Tibáquira, and J. C. Suárez Salazar. “Income-Generating Contribution of Production Systems for Cocoa Farming Families, Department of Caqueta”. Revista De Ciencias Agrícolas, vol. 32, no. 1, July 2015, pp. 37-54, doi:10.22267/rcia.153201.23.