00343nam a2200145Ia 45000030006000000080041000060400015000471000016000622450034000782500011001122600039001233000006001625460012001680050017001800STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAhuja, H.L.  aPrinciples of micro economics  aFourth  bS.Chand and co.;Delhic1989aDelhi  a0  aEnglish20220125165601.0