000 00303nam a2200121Ia 4500
008 220201s1989 xx 000 0 eng d
082 _a621.3192
_bSCN
100 _aSenn, J.A.
245 0 _aAnalysis + design of information systems
260 _aDelhi
_bMcgraw Hill
_c1989
300 _a855
942 _2ddc
999 _c34947
_d34947