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Interpreting qualitative data : a guide to the principles of qualitative research
Silverman, David, (2011)
Qualitative research in tourism : ontologies, epistemologies and methodologies
Phillimore, Jenny, (2004)
The SAGE qualitative research kit
Flick, Uwe,
Qualitative research in intelligence and marketing : the new strategic convergence
Walle, Alf H., (2001)
Rethinking marketing : qualitative strategies and exotic visions
Exotic visions in marketing theory and practice
Walle, Alf H., (2002)