World cassava production and yield trends 1960-1968 = Tendencias de la producción y rendimiento de la yuca
Technical and institutional issues in participatory plant breeding-from the perspective of formal plant breeding: a global analysis of issues, results, and current experience
Soil degradation and crop productivity research for conservation technology development in Andean hillside farming
Strategies for genetic improvement of the CIAT commodities: seeking a balance between broad adaptability and site specificity
