Johnson, Alvin S.
Introduction to economics
Hearh & Co., 1911
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Morgan, Theodore
Introduction to economics
Prentice-Hall, 1950
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Slavin, Stephen
Introduction to economics
Richard D. Irwin, 1991
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Hicks, John R.
The Social framework an introduction to economics
Clarendon, 1952
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Lipsey, Richard G.
An Introduction to positive economics
Weidenfeld and Nicolson, 1972
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