000 00311nam a2200121Ia 4500
008 220201s1984 xx 000 0 eng d
082 _a658.4034
100 _aAgarwal (S.P)
245 0 _aOperation Reference esearch in Management System
260 _bKitab Mahal
_aAllahabad
_c1984
300 _a227
942 _2ddc
999 _c7855
_d7855