01090nam0-22003131i-450-99000210748040332120060615153941.0000210748FED01000210748(Aleph)000210748FED0100021074820030910d1995----km-y0itay50------baengUSScience under scarcityprinciples and practice for agricultural research evaluation and priority settingJulian M. Alston, George W. Norton, Philip G. Pardeypublished in cooperation with the International Service for National Agricultural Research.IthacaCornell University Press1995XV, 585 p.23 cmFood Systems and Agrarian ChangeProduzione - agricolturaAlston,Julian89179Norton,George W.Pardey,Philip G.ITUNINARICAUNIMARCBK99000210748040332162 338.43 ALSDEPA 7865DAGEADAGEAScience under scarcity394421UNINA