MacMillan, J.Gudimu, G.MacRobert, J.Rugube, L.Guveya, E.2007-11-132007-08-312007-11-131991http://hdl.handle.net/10625/34814Text1 digital file (26 p.)Application/pdfenSMALL FARMSMAIZEAGRICULTURAL RESEARCHNATURAL RESOURCESAGRICULTURAL ECONOMICSZIMBABWEWorking paper : ex ante B/C analysis of small farm maize research and demonstrations, ZimbabweWorking Paper