TY  - BOOK
AU  - Yeates Don, Shields Maura and Helmy David (Editors)
TI  - Systems analysis and design
SN  - 0333930037
U1  - 004.21 SYS 
PY  - 1994///
CY  - New Delhi
PB  - Longman
KW  - Systems analysis
N1  - Includes references and index
ER  -