| 000 | 00386nam a22000977a 4500 | ||
|---|---|---|---|
| 008 | 250603s1972 us ||||| |||| 00| 0 eng d | ||
| 100 |
_aTrecker, Harleigh R. _9326827 |
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| 245 |
_aSocial Group Work Principles and Practices : _bThoroughly rewritten, updated and expanded / _cHarleigh R. Trecker. |
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| 264 |
_aNew York : _bAssociation Press, _c1972. |
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| 653 | _aსოციოლოგია | ||
| 999 |
_c834593 _d834591 |
||