Helping skills : a basic training program. Trainee's workbook /
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York :
Human Sciences Press,
c1980.
|
| Rhifyn: | 2nd ed. |
| Pynciau: |
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