000 00334nam a2200145Ia 4500
008 230919s9999 xx 000 0 und d
082 _a HIR
100 _aGupta, Prem Kumar
245 0 _aOperation Research
260 _aNEW DELHI
260 _bSULTAN CHAND AND SONS
260 _c2008
300 _a1395
700 _aHIRA, D.S.
999 _c180790
_d180790