TY  - BOOK
AU  - Clifton,H D  .
TI  - Business data systems : a practical guide to systems analysis and data processing / 
SN  - 0876925174
U1  - 651.8 
PY  - 1988///
CY  - New Delhi : 
PB  - Prentice Hall Health , 
KW  - DATA PROCESSING
N1  - Includes index
ER  -