TY  - BOOK
AU  - Walker, D.W.
TI  - Computer Based Information Systems An Introduction
SN  - 0080400663
U1  - 004 21st ed
PY  - 1988///
CY  - Australia
PB  - Pergamon Press
KW  - electronic data processing
KW  - system design
KW  - information storage and retrieval systems
KW  - office systems
ER  -