Wempen, Faithe A+ certification workbook for dummies - Hoboken, NJ: Wiley Pub, 2007 - xvi, 39 p. : ill. ; 26 cm. + 1 CD-ROM (4 3/4 in.) ISBN: 9780470133958 Subjects--Topical Terms: Data processing & computer science Dewey Class. No.: 004 WEM