Computers and information systems - O'Leary, T. J. (Timothy J.); O'Leary, T. J. (Timothy J.).; Williams, Brian K. 1938-. (Redwood City, Calif. Benjamin/Cummings Pub., 1989)
First ed. published as: Computers and information processing. c1985.
Includes index.
Keywords: Business -- Data processing; Office practice -- Automation