TY  - BOOK
AU  - Clifton,H.D.
TI  - Business data systems: a practical guide to systems analysis and data processing 
SN  - 0130939633
PY  - 1978///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall International
KW  - Business
KW  - Data processing
KW  - System analysis
ER  -