Public opinion measurement a survey
| Egile nagusia: | |
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| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Mexico
Instituto Cientifico de la Opinion Publica Mexicana
1945.
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| Saila: | Problems and results of public opinion research: a series of monographs ed. by Laszo Radvanyi. vol.1
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