Computers and information systems - O'Leary, Timothy J., 1947-; Williams, Brian K., 1938-; O'Leary, Timothy J., 1947- (Redwood City, Calif. : Benjamin/Cummings Pub. Co., 1989)
First ed. published as: Computers and information processing. c1985.
Includes index
Keywords: Business -- Data processing; Office practice -- Automation