00273nam a2200121Ia 45000030006000000080041000060400015000471000029000622450025000912600006001165460012001220050017001340STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVarma, O.P.; Ahuja, B.N.  aIndustrial Economics  c0  aEnglish20220125170548.0