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- Modeling for growth and Distribution of maize (Zea mays L.) roots under field conditions in the eastern plains of Colombia-. Agritrop. 576-577. 2001
- High-value cassava : from a dream to a concrete reality. A New Future for Cassava in Asia: Its Use as Food, Feed and Fuel to Benefit the Poor Proceeding of the 8th Regional Workshop held in Vientiane. Tokio (Japon). 9-30. 2008
- La production de panela dans la vallee du rio suarez en colombie: caracteristiques et strategies d'adoption technologique des entreprises paysannes.-. Francia. 323-334. 1997