000 00328nam a2200133Ia 4500
005 20260413100701.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aSharma S.d
245 0 _aOperation research
260 _bMeerut Kedar nath & sons
_c1996
300 _a1000app
942 _cGB
999 _c3609
_d3609