Robinson, Joan
The economics of imperfect competition
Macmillan, 1948
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Lipsey, Richard G.
Economics
Harper Collin, 1996
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Adreson, W. H. Locke
Economics
Prentice Hall of India, 1986
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Samuelson, Paul Anthony, 1915-2009
Economics
McGraw-Hill, 1992
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Samuelson, Paul Anthony, 1915-2009
Economics
McGraw-Hill, 1998
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