TY  - BOOK
AU  - Yeates, Don.
AU  - Helmy, David 
AU  - Shields, Maura 
TI  - Systems analysis and design
SN  - 9780273600664
AV  - QA76.9 .S97 1994
PY  - 1994///
CY  - Long Acre, London
PB  - Pitman
KW  - System analysis
KW  - System design
N1  - Includes bibliographical references and index
ER  -