000 00320nam a2200133Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a511TAH:O
100 _aTaha Hamdy A
245 0 _aOperation Research: An Indroduction
260 _aNew Delhi
_bPearson
_c2014
300 _a816p
942 _cGB
999 _c21881
_d21881