TY  - BOOK
AU  - Senn,James A  .
TI  - Analysis and design of information systems / 
SN  - 0-07-100606-0
U1  - 658.4032 
PY  - 2003///
CY  - Boston : 
PB  - Mc Graw Hill , 
KW  - System analysis
KW  - System design
ER  -