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Generalized concavity in optimization and economics : [papers pres. at the proceedings of the NATO Advanced Study Institute held at the University of British Columbia, Vancouver, Canada, Aug. 4-15, 1980]
Schaible, Siegfried, (1981)
Operations management : problems and models
Buffa, Elwood Spencer, (1972)
Economic analysis for educational planning : resource allocation in nonmarket systems
Fox, Karl A., (1972)