Guidelist for marketing research and economic forecasting
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[New York]
American Management Asso.
[c1966]
|
| Pynciau: |
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[New York]
American Management Asso.
[c1966]
|
| Pynciau: |