000 00439nam a2200157Ia 4500
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040 _e115211
_aMAIN
041 _aEnglish
082 _a658.4034 H55I
100 _aLiller, Fredrick S Liberman, Gerald J
245 0 _aIntrodaution to opartion reseach; Concepts and cares
250 _a8th ed.
260 _aNew Delhi
_bTata McGraw-Hill
_c2007
300 _axix, 1061p p.
942 _cBK
999 _c141680
_d141680