Agroforestry research in bean-based cropping systems of subsahalien Africa: A review of research methodologies and results
Produccion, distribucion y comercializacion de semilla de frijol (Phaseolus vulgaris L.) en Costa Rica
An agro-economic survey of the weeds and weeding practices in cassava (Manihot esculenta Crantz) in Colombia
Status of Stylosanthes development in other countries. I. Stylosanthes development and utilisation in South America
Proyecto de frijol del CIAT para la Zona Andina-PROFRIZA: Actas del comité consultivo, 1991, subproyectos finales aprobados para 1991: Informe en formato PPO de las actividades 1990-1991
Cassava micro-regions in part of eastern Paraguay : An explanation of their form and comparative study of cassava production within some of them