00326nam a2200133Ia 45000030006000000050017000060080041000230400015000641000033000792450040001122500010001522600018001625460012001800STCL20240910104715.0150530s9999    xx            000 0 und d  aSTCLcSTCL  aPrem Kumar Gupta; Hira, D.S.  aIntroduction to operations research  aFirst  bS.Chandc1999  aEnglish