Personal influence; the part played by people in the flow of mass communications
| Egile nagusia: | |
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| Erakunde egilea: | |
| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York
Free Press
[c1955].
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| Saila: | Foundations of Communications Research
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| Gaiak: |