TY  - BOOK
AU  - T.William Olle
TI  - Information Systems Methodologies; A frame work for Understanding
U1  - 004.21  OLL-I 
PY  - 1991///
PB  - Addison Wesley Pub. Co.
KW  - Information Systems Methodologies; A frame work for Understanding T.William Olle,Computer
ER  -