Lee, George
Economics by objectives : basic economic theories and apllications / George Lee
Fong Brothers Publishing , 1989
 Buku Teks
Soule, George
Economics : measurement, theories, case studies / by George Soule
New York, N.Y. Holt, Rinehart and Winston 1961, 1961
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Bye, Raymond T.
Applied economics : the application of economic principles to the problems of economic life / Raymond T. Bye ; William W. Hewett
Appleton-Century-Crofts, 1947
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Lipsey, Richard G., 1928-, author
Economics
Harper Collin, 1996
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Adreson, W. H. Locke, author
Economics
Prentice Hall of India, 1986
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