Hutchinson, Sarah E. Computers and information systems / Sarah E. Hutchinson and Stacey C. Sawyer. - Chicago : IRWIN, c2008. - xv, 502 p. : ill. ; 25 cm. includes index,contents,bibliography ISBN: 0256167192 Subjects--Topical Terms: Computer software Dewey Class. No.: 004.16 / HUC 2008