00331nam a2200133Ia 45000030006000000080041000060400015000471000019000622450042000812500010001232600035001335460012001680050017001800STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDavies Bernard  aUse of groups in social work practice  aFirst  bRoutledge and Kegan Paulc1975  aEnglish20220125165731.0