00562pamaa2200205 4500 0000040343 20140919090000.0 007110710X (pbk) 658.4038 OBR HD30.213 OBR 2007 O'Brien Enterprise information systems James A. O'Brien, George M. Marakas. 13th ed. Boston: McGraw-Hill, 2007. xxxi, 543p.: 28 cm. CBS Management information systems Business -- Enterprise Marakas, George M.