Clarke, Glen E. CompTIA A+ certification all-in-one desk reference for dummies / by Glen E. Clarke and Ed Tetz - Hoboken, N.J. : Wiley, 2007 - 1138 p. : ill. + 1 CD-ROM Includes index ISBN: 9780471748113 Subjects--Topical Terms: COMPUTER TECHNICIANS--CERTIFICATION--EXAMINATIONS--STUDY GUIDESMICROCOMPUTERS--EXAMINATIONS--STUDY GUIDES LC Class. No.: QA76.3 / C527C