Curso Nacional PCR en Tiempo Real Aplicado a la Detección de Semillas y Patógenos en Plantas y Semillas (1, 2009, CIAT, Palmira). Artículos
The quality of science in participatory plant breeding : Macarese, Rome, Italy, IPGRI headquarters, Septemer 30-October 4, 2002
Inception workshop : RETA 6067: Improving livelihoods of upland farmers using participatory approaches to develop more efficient livestock systems, Hainan, China, 26-31 Jan.2003
International Coordination Meeting (4, 2003, Cali, Colombia). Research network for the evaluation of carbon sequestration capacity of pasture, agropastoral and silvopastoral systems in the American tropical forest ecosystem