000 00324nam a22001337a 4500
005 20210915121429.0
008 210915b ||||| |||| 00| 0 eng d
041 _aeng
100 _aGillett Billey E
_926119
245 _aIntroduction to operation research
260 _aN delhi
_bTMH
_c1989
300 _a617
942 _cBK
999 _c127250
_d127250