Análisis del desarrollo de la producción de leche en la zona tropical húmeda: el caso de Caquetá, Colombia
The use of agrochemical inputs in productive and sustainable tropical crop production systems of rice, common beans and maize
Sustainable systems for smallholders: integrating improved germplasm and resources management for enhanced crop and livestock production systems: Project PE-5: Annual Report 2005
Contributions towards the knowledge on the biology, behavior and distribution of the stem borer (Chilomina clarkei; Lepidoptera: Pyralidae) in Tolima, Colombia
Informe del Programa de Frijol para la Zona Andina: taller de planificacion de la segunda fase. Cali, Colombia, julio 30 a agosto 3, 1990.