000 00277nam a22001217a 4500
999 _c6307
_d6307
003 OSt
005 20210320102547.0
008 210320b ||||| |||| 00| 0 eng d
100 _aNAIDU, N.V.R.
245 _aOPERATIONAS RESEARCH
260 _bI.K. INTERNATIONAL
942 _2ddc
_cGE