TY  - GEN
AU  - Hafiz, Munawar.
TI  - System analysis & design: a practitioner's approach 
U1  - 004.21 S981 2005 22
PY  - 2005///
CY  - Dhaka
PB  - UGC
KW  - Systema analysis, systems design, systems engineering
N1  - CSE
ER  -