TY  - BOOK
AU  - Hipperson,Roger
TI  - Practical systems analysis : a guide for users, managers and analysis
SN  - 013689688X
U1  - T/57.6 
PY  - 1992///
CY  - New York
PB  - Prentice Hall
KW  - System analysis.
N1  - Notes Registration No: 26523
ER  -