TY  - BOOK
AU  - Avison, D. E. 
AU  - Fitzgerald, G.
TI  - Information systems development: methodologies, techniques and tools
SN  - 0077092333
U1  - 005.74 
PY  - 1995///
CY  - London
PB  - McGraw-Hill
KW  - System design
KW  - System analysis
ER  -