TY  - GEN
AU  - Edwards, Chris
AU  - Ward, John
AU  - Bytheway, Andy
TI  - The essence of information systems 
SN  - 812031056X
U1  - 331.481 
PY  - 1995///
CY  - New Delhi
PB  - Prentice - Hall
KW  - EXECUTIVE MANAGEMENT
ER  -