TY  - BOOK
AU  - Edwards,Chris
AU  - Bytheway,Andy
AU  - Ward,John
TI  - Essence of information systems
SN  - 81 203 1056 x
U1  - 658.403 801 1 
PY  - 1996///
CY  - New Delhi
PB  - Prentice -Hall of India Pvt.Ltd
ER  -