Hornby, Win
Business economics
Prentice-Hall, 2001
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Maisal, Sherman J.
Fluctuations, growth, and forecasting : the principles of dynamic business economics
John Wiley & Sons, 1957
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Hanke, John E.
Business forecasting
Pearson - Prentice Hall, 2009
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Bratt, Elmer C.
Business forecasting
McGraw-Hill, 1958
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Hanke, John E.
Business forecasting
Prentice Halls, 2001
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