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Business forecasting
Bratt, Elmer C., (1958)
Die Voraussage der New Yorker Börsenentwicklung durch eine neue statistische Methode
Uttinger, Hans W., (1964)
Rate of change approaches to forecasting: diffusion indexes and first differences
Alexander, Sidney S., (1958)
Elements of forecasting
Redfield, James W., (1978)
A program for dealership management
Redfield, James W., (1964)