000 00283nam a2200121Ia 4500
008 220201s2009 xx 000 0 eng d
082 _a003-GUP
100 _aGupta,prem kumar
245 0 _aOperations Research
260 _aNew Delhi
_bS Chand
_c2009
300 _a1395
942 _2ddc
999 _c65021
_d65021