REFERENCES

Armstrong, S., Long Range Forecasting , John Wiley & Sons, New York, 1985 .

Armstrong, S., Research on forecasting: a quarter century review, 1960 “1984 , Interfaces , 16, 89 “103, 1986.

Schnarrs, S. and Bavuso, J., Extrapolation models on very short term forecasts, Journal of Business Research , 14, 27 “36, 1986 .