Kiekhofer, William H.
Economic principles, problems, and policies
D. Appleton Century, 1946
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Mansfield, Edwin
Economic problems : principles, problems, decisions
W.W. Norton, 1974
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Lee, George
Economics by objectives : basic economic theories and apllications
Fong Brothers, 1989
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Lee, George
Economics by objectives: basic economic theories and applications
Fong Brothers, 1989
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Mussey, Henry R.
Economic principles and modern practice / by Henry R. Mussey and Elizabeth Donnan
Ginn and Company, 1947
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