Clifton, H D . Business data systems : a practical guide to systems analysis and data processing / H. D. Clifton. - 3rd ed / . - New Delhi : Prentice Hall Health , 1988. - xiv, 382p. : Diagrams, charts, tables ; 23cm . Includes index ISBN: 0876925174 NULL Subjects--Index Terms: DATA PROCESSING Dewey Class. No.: 651.8 / CLI/B