TY  - BOOK
AU  - EDWARDS Chris and others
TI  - Essence of information systems
T2  - (Prentice Hall Essence of Management Series)
U1  - X:8:(D6,9(B), N1 
PY  - 1995///
CY  - London
PB  - Prentice Hall International UK       
KW  - Management
N1  - Reprinted: New Delhi , Prentice Hall of India 1995
ER  -