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l jan slikkerveer
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Cilt sonuçları
Indigenous knowledge systems for agriculture and rural development
Richards, Paul, Paul Richards, L. Jan Slikkerveer, Adedotun O. Phillips · Technology and Social Change Program , Iowa State University in collaboration with the Academy for Educational Development, Washington, D.C. USA
40 sayfa · 1989
Traditional farming / Agricultural innovation / Ethnoscience / Rural development / Agriculture