000 00388nam a2200157Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
020 _a81-219-0968-6
082 _a658.4034
082 _bGUP/P
100 _aPREM KUMAR
_bGUPTA
100 _bDR.D.SHIRA
245 0 _aPROBLEMS IN OPERATIONAL RESERCH
260 _aRAM NAGAR ,NEW DELHI
260 _bS.CHAND &COMPANY LTD
260 _c1991
999 _c2333
_d2333