Lindauer, John
Economics a modern view / John Lindauer
Saunders , 1977
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Hoag, Erleen J.
Introductory economics / Erleen J. Hoag , John H. Hoag
Prentice-Hall, 1991
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McKenna, John R.
Readings in introductory economics/ John R. McKenna and Ronald A. Wykstra
Harper and Row , 1971
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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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