Pigou, Arthur Cecil, 1877-1959
Essays in economics
Macmillan, 1952
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Lipsey, Richard G.
An Introduction to positive economics
Weidenfeld and Nicolson, 1972
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Samuelson, Paul Anthony, 1915-2009
Economics
McGraw-Hill, 2010
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Lipsey, Richard G.
Economics
Harper Collin, 1996
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Albrecht, William P.
Economics
Prentice-Hall, 1979
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