00855nam0 2200265 450 00003689220250113141500.0013284746920250113d1991----km-y0itay50------baengUSAy-------001yy<<The >>Essence of Information SystemsChris Edwards, John Ward and Andy BythewayNew York ...\etc.! :Prentice Hall1991vi, 179 p.ill.23 cm2001<<The >>Essence of Information Systems4307340Edwards,Chris247824Ward,John487297BythewayAndy878619ITUNIPARTHENOPE20250113REICATUNIMARC000036892DISAE 511/951790 ex St.Az.NAVA22025Essence of Information Systems4307340UNIPARTHENOPE