00998nam a2200241 a 450000500170000000800410001701000170005802000150007504000230009005000240011308200280013710000440016524501200020926000440032930000250037349000660039850400560046465000650052065000540058570000190063983000410065883000570069920181210064027.0980601s1998    dcu      b    000 0 eng    a   98008458   a0821342592  aDLCcDLCdBD-DhBPA00aS542.A426bV45 199800a630.72067221bWOE 19981 aVenkatesan, V.q(Venkatachalam),d1936-10aEvolution of agricultural services in Sub-Saharan Africa :btrends and prospects /cV. Venkatesan and Jacob Kampen.  aWashington, D.C. :bWorld Bank,cc1998.  axi, 117 p. ;c28 cm.1 aWorld Bank discussion paper ;vno. 390.aAfrica Region series  aIncludes bibliographical references (p. [112]-117). 0aNational agricultural research systemszAfrica, Sub-Saharan. 0aAgricultural extension workxAfrica, Sub-Saharan.1 aKampen, Jacob. 0aWorld Bank discussion papers ;v390. 0aWorld Bank discussion papers.pAfrica Region series.