00285nam a2200133Ia 45000030006000000080041000060400015000471000014000622450025000762500012001012600009001135460012001220050017001340STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJoel Dean  aManagerial economics  aSeventh  c1978  aEnglish20220125165638.0