000 00328nam a2200145Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a658.4034
082 _bGOE/O
100 _aDR. B.S
_bGOEL
100 _bDR.S.KMITTAL
245 0 _aOPERARIONS RESERCH
260 _aMEERUT
260 _bPRAGATHI PRAKASHAN
260 _c1973
999 _c7585
_d7585