Methods of studying the size and composition of radio and television audience a comparison
| Κύριος συγγραφέας: | |
|---|---|
| Μορφή: | Βιβλίο | 
| Γλώσσα: | English | 
| Έκδοση: | [Helsinki, Oy.
          Yleisradio Ab.
    
        1969]. | 
| Σειρά: | Finish Broadcasting Company. Section for Long-Range Planning. Research reports no. 8 | 
| Θέματα: |