00389nam a2200145Ia 4500020001800000082001400018100001700032245004000049260004100089300001700130504003600147650001400183650002700197700001900224  a81-820-9010-5  a004 LEO-;  aLeon, Alexis 0aIntroduction to information systems  aChennaibVijay Nicole Imprintsc2004  axviii, 454p.  aIncludes bibliography and index  aComputers  aInformation technology  aLeon,  Mathews