TY  - BOOK
AU  - Yeates,Don  .
AU  - Helmy,David  .
AU  - Shields,Maura  .
TI  - Systems analysis and design / 
U1  - 005.12 
PY  - 1994///
CY  - New Delhi : 
PB  - Macmillan India , 
KW  - Systems Analysis and Design
ER  -