Olaya, D. M. S., Velandia Tibáquira, O. G. and Suárez Salazar, J. C. (2015) “Income-generating contribution of production systems for cocoa farming families, department of Caqueta”, Revista de Ciencias Agrícolas, 32(1), pp. 37–54. doi: 10.22267/rcia.153201.23.