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Discount effects on media plans
Kaplan, Robert S., (1971)
Hard and soft constraints in media scheduling
Kluyver, Cornelis A. de, (1978)
Computer models in advertising media selection
Gensch, Dennis H., (1968)
A practical procedure for media selection
Brown, Douglas B., (1967)
Effective selling through wholesalers
Warshaw, Martin R., (1961)
Pricing to gain wholesalers' selling support
Warshaw, Martin R., (1962)