Group work a humanistic approach
| Egile nagusia: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Newbury Park, Calif
Sage Publications
c1990.
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| Saila: | Sage sourcebooks for the human services series 13
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| Gaiak: |