000			00435nam a2200169Ia 4500
005			20250114192209.0
008			250113s9999 xx 000 0 und d
041			_aeng
082			_bH9 _aY0XM25:8
100			_aTrecker Harleigh B.
245			_aSocial group work : principles and practices
260			_c1949 _bWoman's Press _aNew York
300			_aix,246p.
365			_cRs.
650			_aY0XM25:8
700			_aTrecker Harleigh B.
999			_c77910 _d77910