TY  - BOOK
AU  - Llewellyn,Robert W.
TI  - Information systems
SN  - 0134644875
AV  - T58.6 .L58 1976
U1  - 658.403 
PY  - 1976///
CY  - New Jersey
PB  - Prentice Hall
KW  - Management
KW  - Information
KW  - System
ER  -