Dr. Edward F. Fern · E F. · Edward F. · F. F.
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Advanced Focus Group Research | Hardcover | 978-0-7619-1248-4 (0-7619-1248-7) | 2001 |
| Advanced Focus Group Research | Paperback | 978-0-7619-1249-1 (0-7619-1249-5) | 2001 |