project co-directors: Michael L. Ray, Scott Ward and Gerald Lesser

Marketing Science Institute 1973 Report / Marketing Science Institute no. 73-103

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by Michael L. Ray

Marketing Science Institute] 1973 Report / Marketing Science Institute no. 73-112

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by Michael L. Ray, Scott Ward, Jerome B. Reed

Marketing Science Institute [197-] Working paper , Preliminary research report

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by Michael L. Ray, Scott Ward, Jerome B. Reed

Marketing Science Institute [n.d.]

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