000 00292nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a511 SHA;O
100 _aSharma, S.D
245 0 _aOperations Research
260 _aMeerul
_bKedar Nath Ram Nath
_c1978
942 _cGB
999 _c21869
_d21869