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Advanced methods of marketing research
Bagozzi, Richard P., (1994)
Research methods and causal modeling in marketing
Darden, William R., (1983)
Developing questions for focus groups
Krueger, Richard A., (1998)
Customer visits : building a better market focus
McQuarrie, Edward F., (2008)
MacQuarrie, Edward F., (1998)
MacQuarrie, Edward F., (1993)