TY  - BOOK
AU  - Amadio,William
TI  - Systems development: : a practical approach
SN  - 0-07-100456-4
AV  - COM QA76.9.S88A522 
PY  - 1989///
CY  - New York
PB  - : MacGraw-Hill Company
KW  - System design
KW  - System analysis
KW  - Electronic data processing
ER  -