000 00300nam a2200121Ia 4500
008 221102s9999 xx 000 0 und d
082 _a658.83 SHA
100 _aSharma, J K
245 0 _aOperation research: theory and approach
260 _bMacmillan
_aDelhi
_c1997
300 _a1038p p.
942 _cBK
999 _c1158
_d1158