TY  - BOOK
AU  - Whieten, Jeffrey L
AU  - Bentley LD
TI  - Systems Analysis and design methods
SN  - 9780070634176
U1  - 004.21 WHI/SYS-7 
PY  - 0000///201
CY  - New Delhi
PB  - TATA McGrawHill Education pvt.
ER  -