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Qualitative research : good decision making through understanding people cultures and markets
Keegan, Sheila, (2009)
Marketing research
Aaker, David A., (2006)
Marketing research : an international approach
Schmidt, Marcus J., (2006)
Management des Markenwerts
Aaker, David A., (1992)
Strategic market management
Aaker, David A., (2008)
Brand relevance : making competitors irrelevant
Aaker, David A., (2011)