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The forecasting of demand for new products
Konson, Aron Solomonovič, (1968)
Seminar on Forecasting in Marketing, Amsterdam (The Netherlands), 30th January-2nd February, 1974
(1974)
Guidelist for marketing research and economic forecasting
Carpenter, Robert N., (1966)
On Improving Methods for Forecasting Public Demand
Bredov, V., (1971)
Prediction of the Population's Demand
Bredov, V., (1969)
Izučenie sprosa naselenija i problemy informacii
Levin, A., (1974)