TY  - BOOK
AU  - Whitten Jeffery .L ,Bentley L.D ,Dittman  K.C
TI  - Systems Analysis and Design Methods
SN  - 0-07-247417-3
AV  - QA 79.6 .W 55 2004
PY  - 2004///
CY  - Boston
PB  - Mc Graw Hill
KW  - System design
KW  -  System analysis
ER  -