000			nam a22 7a 4500
999			_c10176 _d10176
005			20180511154001.0
008			180511b xxu||||| |||| 00| 0 eng d
100			_aSingh,J.P
100			_aSingh,N.P
245			_aOperations Research
250			_a1st
260			_aNew Delhi _bAne Books _c2015
300			_aNA
942			_2ddc _cDB