00430nam a2200109Ia 450000500170000000800410001705000260005810000180008424501290010226000430023165000460027420251229184208.0251229s9999    xx            000 0 und d  aJDR S 544 .B435 C.1-2  aBenor, Daniel 0aAgricultural extensionb The training and visit system./by Daniel Benor, James Q Harrisdon andf Michael BaxtercDaniel Benor  aWashington D.C.b The World bankc1984  aFood Security-- Small Scale Farmers-Kenya