TY  - BOOK
AU  - Whitten, Jeffrey L.
AU  - Bentley, Lonnie D.
TI  - System analysis and design methods
SN  - 9780070634176
U1  - 004.21 WHI 
PY  - 2011///
CY  - New Delhi
PB  - Tata McGraw Hill Education Private Limited
KW  - System analysis and design
ER  -