Campbell, Mary Excel for Windows answers : certified tech support / Mary Campbell - New York : Osborne McGraw-Hill, c1994. - xxx,367 p. : ill. ; 25 cm. ISBN: 0078820545 LCCN: Subjects--Topical Terms: Computer softwareOffice managementExcel LC Class. No.: HF5548.4 / .M523C35 1994 Dewey Class. No.: 005.3 / C189e