Helena Ribeiro · Helena Rivière
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Outreach Work Among Drug Users in Europe: Concepts, Practice and Terminology | 978-92-9168-O62-7 (92-9168-O62-1) | 1999 | Dirk J. Korf · Marielle Freeman · Roger Lewis · Ian Grant |