Frye, Curtis D. Microsoft Office Excel 2007 step by step / Curtis D. Frye - New Delhi : Prentice-Hall, c2007. - lxvii, 367 p. : ill. ; 24 cm. + 1 computer disc (CD ; 3/4 in.) ISBN: 8120331549 Subjects--Topical Terms: MicrosoftExcelComputer file LC Class. No.: HF5548.4 / .M523F8 2007 Dewey Class. No.: 005.369 / F946m