TY  - BOOK
AU  - Chris, Edwards
AU  - Ward, John.
AU  - Bytheway, Andy.
TI  - The Essence of Informations Systems
SN  - 812030910
U1  - 658.4038011 22
PY  - 1995///
CY  - New delhi
PB  - Prentice of India Private Limited
ER  -