00350nam a2200145Ia 4500003000500000008004100005020001800046040001900064082000700083100001800090245004800108260002800156300000800184546001200192STCL181203s9999    xx            000 0 und d  a9788126512560  aSTCLbENcSTCL  222  aRavindran, A. 0aOperation Research: Principles and Practice  bWilleyaNew Delhic2014  a637  aEnglish