Focus groups : A practical guide for applied research.
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
London :
Sage,
1994
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| Edition: | 2th ed. |
| Subjects: |
| Physical Description: | xiv,254σ. |
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| Bibliography: | Περιλαμβάνει βιβλιογραφικές παραπομπές και ευρετήριο. |
| ISBN: | 0803955669 |