O'Brien, James A., Marakas G.M Management information systems: - 8 - new york Mcgraw-hill-irwin 2008 - 628 - 0 . 0 ISBN: 978-0-07-351154-2 7800 Source: Хандив Subjects--Index Terms: management information systems Dewey Class. No.: 658.4'038011 / O-10