How to create new ideas more than a book - a comprehensive course in the art and science of creative thinking
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Englewood Cliffs, N. J.
Prentice-Hall, Inc.
©1961.
|
| Pynciau: |