Schuh G Edward Costs and benefits of agriculturl research The state of the arts - Washington "D C , World Bank " 1979 - "iv, 70p." cm. - "World Bank staff working papers, 360." . Standard No.: 91441 Source: Reference Collections Subjects--Topical Terms: Agriculture Industries Dewey Class. No.: "X9(J)b4-65291.1.N7, L9"