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Consumer expedintures for services in the United States
Ferber, Robert - In: Journal of marketing 21 (1956) 1, pp. 24-35
Persistent link: https://www.econbiz.de/10002162073
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How reliable are national retail sales estimates?
Ferber, Robert; Hawkes jr., William J.; Plotkin, Manuel D. - In: Journal of marketing 40 (1976) 4, pp. 13-22
Persistent link: https://www.econbiz.de/10002162197
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On the reliability of purchase influence studies
Ferber, Robert - In: Journal of marketing 19 (1955) 3, pp. 225-232
Persistent link: https://www.econbiz.de/10002162238
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Sales forecasting by correlation techniques
Ferber, Robert - In: Journal of marketing 18 (1954) 3, pp. 219-232
Persistent link: https://www.econbiz.de/10002162401
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Variations in retail sales between cities
Ferber, Robert - In: Journal of marketing 22 (1958) 3, pp. 295-303
Persistent link: https://www.econbiz.de/10002162434