Badgett, Tom Business software companion / Tom Badgett and Corey Sandler - New York : John Wiley, c1993. - xix, 412 p. ; ill. ; 23 cm. ISBN: 0471569402 LCCN: Subjects--Topical Terms: BusinessData processingComputer science LC Class. No.: HF5548.2 / .S234 1993 Dewey Class. No.: 005.365 / B135b