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j e sumberg
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Cilt sonuçları
Farmers' experiments
J. E. Sumberg · Lynne Rienner Publishers
186 sayfa · 1997
Agricultural extension work / Agriculture / Citizen participation / Farms, Small / On-farm
Gliricidia sepium (Jacq.) Steud
J. E. Sumberg · International Livestock Centre for Africa
12 sayfa · 1986
Bibliography / Gliricidia sepium / Multipurpose trees
Sheep and Goats in Humid West Africa
J. E. Sumberg, K. Cassaday · Agribookstore/Winrock
Sayfa sayısı yok · 1985
Goats / Sheep / Livestock, africa
Long Row to Hoe
J. E. Sumberg, Mary Murphy, New Economics Foundation Staff, Oxfam Staff · New Economics Foundation
Sayfa sayısı yok · 2006
Rural poor / Agriculture, economic aspects, developing countries