Methods of studying the size and composition of radio and television audience a comparison
| 1. autor: | |
|---|---|
| Format: | Książka |
| Język: | English |
| Wydane: |
[Helsinki, Oy.
Yleisradio Ab.
1969].
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| Seria: | Finish Broadcasting Company. Section for Long-Range Planning. Research reports no. 8
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| Hasła przedmiotowe: |