African Technology Policy Studies NetworkLakoh, A.K.2007-11-131997-04-012007-11-131996http://hdl.handle.net/10625/14395Text1 digital file (60 p.)Application/pdfenAGRICULTURAL RESEARCHAGRICULTURAL EXTENSIONEFFICIENCYSIERRA LEONEDIFFUSION OF INNOVATIONSAGRICULTURAL PRODUCTIONRESEARCH CENTRESFARMSPOLITICAL ASPECTSAGRICULTURAL POLICYWorking Paper