Samenvatting
Different aspects for the success of marketing and marketing methods are discussed. Hypotheses, methods of study, test methods, experimental equipment for tests, sampling, planning, and cost are considered.
Different aspects for the success of marketing and marketing methods are discussed. Hypotheses, methods of study, test methods, experimental equipment for tests, sampling, planning, and cost are considered.
Schiedam, Instituut voor Psychologisch Marktonderzoek IPM, 1975, 16 p., fig., graph., ref.
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