000 00481nam a2200169Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
010 _a55-8579
040 _aNITIL
_cNITIL
082 _221st
_a361.4
_bT785S
100 _aTrecker, Harleigh B
245 0 _aSocial group work
_bprinciples and practices
_cHarleigh B Trecker
250 _aRev.
260 _aNew York
_bAssociation Press
_c1955
300 _axiv, 442p.
650 _aSocial services; Social group work
942 _cBKS
999 _c28014
_d28014