TY  - BOOK
AU  - Whitten, Jeffrey L., Bentley, Lonnie D. & Dittman, Kevin C.
TI  - Systems analysis and design methods
SN  - 0-07-231539-3
U1  - Cir. 004.1 W580 c2001 
PY  - 2001///
CY  - New York
PB  - McGraw-Hill Companies, Inc.
ER  -