//-->
Alternative market research methods : market sensing
Longbottom, David, (2017)
Lawson, Alison, (2017)
Interpretive consumer research : paradigms, methodologies & applications
Beckmann, Suzanne C., (2001)
The application of physiological observation methods to emotion research
Chamberlain, Laura, (2007)
The past, present and future of observational research in marketing
Lee, Nick, (2007)