TY  - BOOK
AU  -  Whitten,  Jeffrey L., Bentley,   Lonnie
TI  - Systems analysis and design methods 
U1  - 001.61 
PY  - 2000///
CY  - New Delhi
PB  - Galgotia Publications
KW  - Infromation Technology
KW  - Information sceince
N2  -  Information sceince, Infromation Technology
ER  -