00357nam a2200133Ia 4500008004100000020001800041100005600059245003500115250001100150260002100161260000900182300000800191650002400199221231s9999    xx            000 0 und d  a0-07-014494-X  aO'Brien, James A., Marakas, George M., Behl, Ramesh 0aManagement Information Systems  a9th Ed  bTata McGraw-Hill  c2010  a831  aInformation Science