Stewart, Kathleen, 1951- Microsoft Office Excel 2007 : a professional approach / Kathleen Stewart. - New York McGraw-Hall 2007. - 1v. (various pagings) ill 28cm - The professional approach series . ISBN: 9780071284042 Subjects--Topical Terms: Electronic spreadsheets--Computer programs Dewey Class. No.: 005.54 MAN 2007