The new product ; how to find, test, develop, cost, price, protect, advertise, and sell new products.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
Industrial Press
[c1960].
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| Pynciau: |
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
Industrial Press
[c1960].
|
| Pynciau: |