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by Roger von OechBusiness Plus · 1998 Ppb. ISBN: 978-0-446-67455-3 ISBN-10: 0-446-67455-9 |
| See also: | ||
| 2008 | Paperback | A Whack on the Side of the Head: How You Can Be More Creative |
| 1990 | Paperback | A Whack on the Side of the Head: How You Can Be More Creative |