00654nam a2200217Ia 450000100060000000300050000600500170001100800410002801000150006902000150008405000150009908200100011424500870012426000470021130000260025850000110028450400390029565000470033470000300038170000250041157590BIBL20171214094511.0760220s1976 nyu b 00110 eng  a 76004967  a02310388520 aHV45b.T48 a361.410aTheories of social work with groupscRobert W. Roberts and Helen Northen, editors.0 aNew YorkbColumbia University Pressc1976. axviii, 401 p.c24 cm. a920504 aIncludes bibliographies and index. 0aSocial group workxCollected works.2Local10aRoberts, Robert W.2Local10aNORTHEN HELEN2Local