Computers and information systems /
O'Leary, Timothy J., 1947-
Computers and information systems / T.J. O'Leary, Brian K. Williams. - 2nd ed. - Redwood City, Calif. : Benjamin/Cummings Pub. Co., c1989. - xxix, 687 p. : ill. (some col.) ; 27 cm.
Includes index.
0805369422
Business--Data processing.
Office practice--Automation.
658.054
Computers and information systems / T.J. O'Leary, Brian K. Williams. - 2nd ed. - Redwood City, Calif. : Benjamin/Cummings Pub. Co., c1989. - xxix, 687 p. : ill. (some col.) ; 27 cm.
Includes index.
0805369422
Business--Data processing.
Office practice--Automation.
658.054