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Marketing
Beckman, Theodore N., (1973)
Heskett, James L., (1976)
Beckman, Theodore N., (1967)
Heidingsfield, Myron Samuel, (1963)
Market and marketing analysis : Myron S. Heidingsfield, Albert B[reneman] Blankenship
Heidingsfield, Myron Samuel, (1947)
Consumer and opinion research : the questionnaire technique
Blankenship, Albert Breneman, (1978)