TY  - BOOK
AU  - Leslie, Robert E.
TI  - Systems analysis and design : : method and invention
SN  - 0138803110
U1  - 003 LES 
PY  - 1986///
CY  - Englewood Cliffs, N.J. 
PB  - : Prentice-Hall, 
KW  - System analysis.
KW  - System design
KW  - Systems analysis and design : method and invention
KW  - Robert E Leslie
ER  -