Schuh, G. Edward. Costs and benefits of agricultural research : the state of the ar ts / G. Edward Schuh, HeliTollini. - Washington, D.C. : World Bank , 1979. - iv, 70 p. : tables, figures ; 28 cm. - World Bank staff working papers ; no. 360. . ISBN: 0821392697 Subjects--Topical Terms: Agriculture --Research------Agriculture --Economic aspects.------