Grangen, Clive William John, 1934-
Forecasting in business and economics
Academic Press, 1989
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Wheelwright, Steven C.
Forecasting methods for management
John Wiley & Sons, 1985
 Buku Teks
Wheelwright, Steven C.
Forecasting methods for management
John Wiley & Sons, 1973
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Makridakis, Spyros G.
Forecasting methods for management
John Wiley & Sons, 1989
 Buku Teks
Lancaster, Geoffrey A.
Forecasting for sales and materials management / Geoffrey A. Lancaster, Robert A. Lomas
Macmillan, 1985
 Buku Teks