MacMillan, James A.Gudimu, G.MacRobert, J.F.Rugube, L.Guveya, E.2007-11-132007-08-312007-11-131992http://hdl.handle.net/10625/34230Text1 digital file (18 p. : ill.)Application/pdfenCOST BENEFIT ANALYSISSMALL FARMSAGRICULTURAL RESEARCHNATURAL RESOURCESMAIZESMALLHOLDERSZIMBABWEMeasuring benefits and costs of smallholder maize extension research, ZimbabweIDRC-Related Report