TY  - BOOK
AU  - Cotterman,William W.
ED  - Institute for Certification of Computer Professionals.
ED  - IEEE Computer Society.
TI  - Systems analysis and design: a foundation for the 1980's 
SN  - 0444006427
PY  - 1981///
CY  - New York
PB  - North-Holland
KW  - System analysis
KW  - Congresses
ER  -