00585cam a22002411 4500 7983921 20171226082125.0 720829s1964 nyu b 000 0 eng 64005431 (OCoLC)394288 DLC OYU OCoLC DLC eng premarc 159.9 159.9 48 PSI Report. Bibliography: p. 45-47. Group treatment in family service agencies. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 39417 39417 0 0 udc 0 0 PËKG 002 002 PËKG 2017-12-26 0 159.9 002-2939987 2017-12-26 2017-12-26 BK