00310nam a2200133Ia 45000030006000000080041000060400015000471000018000622450041000802500010001212600016001315460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKothari, C.R.  aIntroduction to operational research  aFirst  bVikasc1982  aEnglish20220125170051.0