Heyne, Paul T.
The economic way of thinking
Science Research Associates, 1973
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Leftwich, Richard H.
An introduction to economic thinking
Rienhard and Winston, 1969
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Casebook of economics problems and policies: practice in thinking
edited by Rendings Fels
West Publishing, 1975
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Boulding, Kenneth Ewart, 1910-1993
Economic analysis
Harper & Row, 1966
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Robinson, Joan
Economic philosophy
C.A. Watts, 1962
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