On the Threshold of Adolescence by Hermann Koepke
| ISBN: | 9780880103572 |
| Publication date: | 1st January 1992 |
| Author: | Hermann Koepke |
| Publisher: | SteinerBooks, Inc an imprint of Anthroposophic Press Inc |
| Format: | Paperback |
| Pagination: | 160 pages |
| Genres: |
Educational systems and structures Child, developmental and lifespan psychology |