Technical and institutional issues in participatory plant breeding-done from a perspective of farmer plant breeding : a global analysis of issues and of current experience
Integrated soil fertility management in the tropics: from knowledge to implementation: TSBF-CIAT's strategy and work plan, 2005-2010
Institutional impacts of the cassava farmer participatory research and extension project in Thailand and Vietnam, 1993 -2004
El arado natural: las comunidades de macroinvertebrados del suelo en las sabanas neotropicales de Colombia