000 00287nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a515MAL;M
100 _aTaho, Hamdy A
245 0 _aOperations Research
260 _aNew Delhi
_bMacmillan
_c1984
942 _cREF
999 _c21871
_d21871