The search for a method focus groups and the development of mass communication research
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| 格式: | 图书 |
| 语言: | English |
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Luton, Bedfordshire, Eng.
University of Luton
c1998.
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Luton, Bedfordshire, Eng.
University of Luton
c1998.
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| 主题: |