000 00329nam a2200133Ia 4500
005 20260413100728.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aSharma S.D
245 0 _aOperation Research
260 _bMeerut Kadar nath Ram Nath
_c1997
300 _aU.P
942 _cGB
999 _c4112
_d4112