TY  - BOOK
AU  - Youssef,Leon A.
TI  - Systems analysis and design
SN  - 0879097809
PY  - 1975///
CY  - Va
PB  - Reston Pub. Co. : Reston
KW  - Business
KW  - Data processing
KW  - System analysis
KW  - System design
N1  - Includes index
ER  -