TY  - BOOK
AU  - Avison,David
AU  - Fitzgerald,Guy
TI  - Information systems development: methodologies, techniques, and tools 
SN  - 9780071253154
U1  - 004.21 AVI 2006 
PY  - 2006///
CY  - London
PB  - Mcgraw-Hill
KW  - System design
KW  - System analysis
ER  -