000 00311nam a2200121Ia 4500
008 220201s1979 xx 000 0 eng d
082 _a658.57
_bGIL
100 _aGillett,Billy E.
245 0 _aIntroduction to operations research
260 _bTata McGraw Hill
_aNew Delhi
_c1979
300 _a617p.
942 _2ddc
999 _c9015
_d9015