The impact of food aid on commercial food export: paper presented at the XIV International Conference of Agriculutral Economists. IAAE in Minsk, Russia. August 24-September 2, 1970.
Molecular markers and tissue culture: technologies transcending continental barries to add value and improve productivity of cassava in Africa
Establishment and implementation of integrated agricultural research for development in Eastern and Central Africa: some operations and lessons learnt from the Lake Kivu pilot learning site
Evaluación del modelo de simulacion de crecimiento CERES aplicado a la variedad de maíz (Zea mays L.) Sikuani V-110 en suelos ácidos de sabanas
Adquisición y reciclaje de fósforo en sistemas de cultivos y pasturas en suelos tropicales de baja fertilidad