Bioversity and domestication of yams in West Africa: Traditional practices leading to Dioscorea rotundata Poir.
Options and strategies for the conservation of farm animal genetic resources: Report of an international workshop, AGROPOLIS, Montpellier, France, 7-10 November 2005
Moringa leaves: strategies, standards and markets for a better impact on nutrition in Africa: International workshop, Accra, Ghana, 16-18 November 2006