Evaluación, producción y calidad del forraje de yuca Manihot esculenta Crantz con corte periódico manual. Tesis (Ingeniero Agrónomo)
Caracterizacion de la resistencia de Brachiaria spp. al salivazo de los pastos Zulia Colombiana (Lallemand) (Homoptera :Cercopidae). Tesis (M.Sc.)
Condensed tannins in tropical forage legumes : Their characterisation and study of their nutritional impact from the standpoint of structure-activity relationships. Thesis (Ph.D.)
Lablab Purpureus (L) Sweet: A promising multipurpose legume for enhanced drought resistance in smallholder farming -systems of eastern Kenya. M.Sc. Thesis (Sustainable International Agriculture, Specialization in Tropical Agriculture)