00452nam a2200157Ia 4500 2539 20261006003630.0 120911s9999 xx 000 0 und d 0256108307 658.4038 OBR O'Brien, James A. 590 Management information systems : a managerial end user prespective / James A. Obrien. - 2nd ed. 2E Irwin Management information systems 125 2539 2539 0 0 0 0 NU NU 2012-09-11 0 658.4038 OBR 3154 2012-09-11 00:00:00 2012-09-11 OS