TY  - BOOK
AU  - Edwards,Chris
AU  - Ward,John
AU  - Bytheway,A.
TI  - The essence of information systems
SN  - 0133593088
AV  - T58.64 .E4 1995
U1  - 658.4/038 20th ed.
PY  - 1995///
CY  - London, New York
PB  - Prentice Hall
KW  - Information resources management
N1  - Includes bibliographical references and index
ER  -