00303nam a2200133Ia 45000030006000000080041000060400015000471000016000622450034000782500010001122600018001225460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAhuja, H.L.  aPrinciples of micro economics  aFirst  bS.Chandc1989  aEnglish20220125165613.0