Development of low input systems such as organic farming by optimising the use of legumes in a dry region of Nicaragua to strengthen soil fertility, yield, human nutrition and farm income : Use of legumes in low input systems ULLIS: Final report
El arroz como alternativa para el desarrollo de sistemas agropastoriles sostenibles para los Llanos orientales de Colombia
Estudio de base sobre la microcuenca del râio Cabuyal, en norte del departamento del Cauca. Septiembre de 1993
Production and marketing of cassava flour in Colombia: Annual report, expansion phase (January to December 1992)
Integrated cassava research and development projects in Colombia, Ecuador and Brazil : an overview of CIAT`s experiences