Hornby, Win
Business economics
Prentice-Hall, 2001
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Gordon, Robert Aaron
Business fluctuations
Harper & Brothers, 1952
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Snyder, Richard M.
Measuring business changes : a handbook of sifnificant business indicators
John Wiley & Sons, 1955
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Alt, Richard M.
Business economics ; principles and cases
Richard D. Irwin, 1955
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Grangen, Clive William John, 1934-
Forecasting in business and economics
Academic Press, 1989
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