J. L. · Jo Langford · Joe D Langford
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Focus Groups: Supporting Effective Product Development | Digital | 978-1-134-50563-0 (1-134-50563-9) | 2017 | Deana McDonagh |
| Focus Groups: Supporting Effective Product Development | Paperback | 978-0-415-26208-8 (0-415-26208-9) | 2002 | " |