000 00322nam a2200133Ia 4500
008 221001s1974 xx 000 0 eng d
082 _a003 SHA
100 _aSharma, S. D.
245 0 _aOperations research
250 _a3rd ed.
260 _aMeerut
_bKedar Nath Ram Nath
_c1974
300 _axi, 484p.
942 _2ddc
_cBK
999 _c14375
_d14375