000 00323nam a22001337a 4500
020 _a0231032412
082 _a361.4 SCH
100 _aSCHWARTZ William
245 _aThe practice of group work/
260 _aNew York,
_bColumbia University Press,
_cc1971.
300 _ax,284p.;
500 _ainclude index
942 _cBK01
999 _c2255
_d2255