Youth sexuality 1998 : repeat survey of 14-17-year-olds and their parents on behalf of ths Federal Centre for Health Education : results of the current representative survey.
| Μορφή: | Βιβλίο |
|---|---|
| Γλώσσα: | English |
| Έκδοση: |
Cologne :
Federal Centre for Health Education,
1998.
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| Θέματα: |
| Φυσική περιγραφή: | 56 σ. : εικ., πίν. ; 30 εκ. |
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