Proceedings of the eighth symposium of the Internacional Society for tropical Root Crops: Theme "Tropical root and tuber crops changing role in a modern world". Oct 30-Nov 5,1988
The use of cassava roots and leaves for on-farm animal feeding: Proceedings of a regional workshop, held in Hue city, Thua Thien province, Vietnam, January 17-19,2005
Seminar on Horizontal Resistance to the Blast Disease of Rice (1971, Palmira, Valle del Cauca, Colombia). Papers presented
Inception workshop : RETA 6067: Improving livelihoods of upland farmers using participatory approaches to develop more efficient livestock systems, Hainan, China, 26-31 Jan.2003
Regional Workshop on Cassava Breeding, Agronomy and Utilization Research in Asia (3, 1990, Malang, Indonesia). Cassava breeding, agronomy and utilization research in Asia : Proceedings
Cassava breeding: A multidisciplinary review: Proceedings of a workshop, held in the Philippines, 4-7, March 1985
Regional Workshop Cassava Breeding, Agronomy Research and Technology Transfer in Asia (4, 1993, Trivandrum, Kerala, India). Cassava breeding, agronomy research and technology transfer in Asia : Proceedings
Red Internacional de Evaluación de Pastos Tropicales. Reunión (3, 1985, Cali, Colombia). Resultados 1982-1985
Seminar on Horizontal Resistance to the Blast Disease of Rice (1971, Cali, Colombia). Papers presented