00321nam a2200145Ia 45000030006000000080041000060400015000471000014000622450025000762500010001012600029001113000006001405460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVinod, A.  aManagerial economics  aFirst  bCalicut Universityc1997  a0  aEnglish20220125170552.0