Evaluating media
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
New York
National Industrial Conference Board
c1966].
|
| Sraith: | Studies in business policy National Industrial Conference Board
no. 12. |
| Ábhair: |