O'Leary, Timothy J., 1947- , Computing essentials 2013 : making IT work for you / Timothy J. O'Leary, Linda I. O'Leary. - Introductory edition. - New York : McGraw-Hill, [2013] - xxvi, 405 pages : color illustrations ; 28 cm ISBN: 9780077538989 Source: The Asia Foundation. Gift Subjects--Topical Terms: Computers.Electronic data processing.