La investigacion en campos de agricultores sobre frijol en la Fraylesca, Chiapas, Mexico:Avances del proyecto La Fraylesca
El mejoramiento genético de la habichuela en América Latina: memorias de un taller, CIAT, Cali, Colombia, 11 al 15 de mayo de 1987
Establishment of an effective endomycorrhizal association on cassava in flowing solution culture and its effects on phosphorus nutrition
Potentials and limitations of mycorrhizal inoculation illustrated by experiments with field-grown cassava
Analysis of Andean blackberry (Rubus glaucus) production models obtained by means of artificial neural networks exploiting information collected by small-scale growers in Colombia and publicly available meteorological data
Contribution a l'étude des usages des sols des versants andins : Dans la cordillère centrale colombienne, Département du Cauca
Acercamiento a la situacion socioeconomica de las comunidades campesinas del Departamento de Sucre desde la perspectiva del Programa Yuquero
