| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Creativity in Business: The Basic Guide for Generating and Selecting Ideas | 978-90-6369-380-0 (90-6369-380-X) | 2015 | Ramon Vullings |
| Creativity Today | 978-90-6369-146-2 (90-6369-146-7) | 2009 | Ramon Vullings · Godelieve Spaas |