Conjoint analysis: caracterización socio-económica de los conglomerados de agricultores de la zona Darién-Restrepo en las evaluaciones verde y seco
Trip report : rapid rural appraisal in Maranhao Brazil to classify small farmer rice agroecosystems, Jan. 16-Feb. 13, 1990
Food self-sufficiency, fertilizer use, and access to formal credit : a test of the relationships on small farms in Ethiopia
Artisanal seed supply schemes : a strategy to extend the development of organized seed supply systems to medium and small farmers
Series estadisticas de precios promedios corrientes de frijol a nivel de consumidor en Cali y Palmira Valle del Cauca. Periodo 1977- 1989