000 00350nam a2200145Ia 4500
008 150511s9999||||xx |||||||||||||| ||und||
082 _a658.54 GUP
082 _b658.54 GUP
100 _a"Gupta, Prem Kumar "
245 _aOperations Research
260 _b"S. Chand, Delhi"
300 _a658.54 GUP
700 _a" Hira, D.S"
942 _2ddc
_cBB
999 _c11567
_d11567