| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Breakthrough Zone: Harnessing Consumer Creativity for Business Innovation | 978-0-470-85539-3 (0-470-85539-8) | 2003 | Mac Andrews |
| Qualitative Market Research: A Practitioner's and Buyer's Guide | 978-0-566-05115-9 (0-566-05115-X) | 1988 | Wendy Gordon |
R. L · R. Lamson · R Langan · R. Langham · R. Lansing · R. Lencioni · R. Lewinson · R. Longmore