00293nam a2200133Ia 45000030006000000080041000060400015000471000022000622450027000842500010001112600009001215460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPeter Drucker, F.  aPractice of management  aFirst  c1966  aEnglish20220125170611.0