HOW TO REACH THE UNKNOWN: THE SNOWBALL SAMPLING TECHNIQUE. EN: UNDERSTANDING AND RESPONDING TO DRUG USE: THE ROLE OF QUALITATIVE RESEARCH.
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| Main Author: | |
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| Format: | Book Chapter |
| Language: | English |
| Published: |
LUXEMBURGO
OFFICE FOR OFFICIAL PUBLICATIONS OF THE EUROPEAN COMMUNITIES
2000
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| Series: | EMCDDA SCIENTIFIC MONOGRAPH SERIES
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| Subjects: | |
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