000 00293nam a2200121Ia 4500
008 220201s1984 xx 000 0 eng d
082 _a658.4034
_bKAN
100 _aKanti Swarup
245 0 _aOperation research
260 _bSultan chand & sons
_aNew Delhi
_c1984
300 _a891
942 _2ddc
999 _c7948
_d7948