TY  - BOOK
AU  - Avison, David 
AU  - Fitzgerald, Guy 
TI  - Information systems development: methodologies, techniques and tools 
SN  - 0077114175
U1  - 003 4th
PY  - 2006///
CY  - New York
PB  - McGraw -Hill
KW  - Systems design
KW  - Systems analysis
N1  - Includes bibliographical references and index
ER  -