00326nam a2200133Ia 45000030006000000080041000060400015000471000018000622450048000802500011001282600024001395460012001630050017001750STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKothari, C.R.  aResearch methodology methods and techniques  aSecond  bWiley Easternc1993  aEnglish20220125165713.0