000 00287nam a2200121Ia 4500
008 220201s1987 xx 000 0 eng d
082 _a650.0285
_bBIS
100 _aBiswas,A
245 0 _aUnderstanding business data processing system
260 _c1987
300 _a253
942 _2ddc
_03
999 _c6585
_d6585