00309nam a2200145Ia 45000030006000000080041000060400015000471000018000622450026000802500006001062600016001123000006001285460012001340050017001460STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJhingan, M.L.  aMicro economic theory  a7  c1990aDelhi  a0  aEnglish20220125165601.0