Qualitative Market Research: A Practitioner's and Buyer's Guide
by Wendy Gordon,Roy Langmaid
ISBN 13: 9780566051159
Format: Hardcover (288 pages) Publisher: Routledge Published: 20 Dec 1999
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Breakthrough Zone: Harnessing Consumer Creativity for Business Innovation
by Mac Andrews,Roy Langmaid,Charles Allen
ISBN 13: 9780470855393
Format: Illustrated (248 pages) Publisher: Wiley Published: 30 Oct 2003