TY  - BOOK
AU  - Avison,David
AU  - Fitzgerald,Guy
TI  - Information systems development: methodologies, techniques, and tools 
SN  - 0077096266 :
AV  - T58.5 .A95 2003
PY  - 2003///
CY  - London
PB  - McGraw-Hill
KW  - Information technology
ER  -