TY  - BOOK
AU  - Douald W. Boyd
TI  - Systems Analysis and Modeling
SN  - 0000048818
U1  - 001.642Sy 
PY  - 2003///
CY  - New Delhi
PB  - Hartcourt
KW  -  Modeling
KW  -  Systems
KW  - Analysis
KW  - Systems programming
ER  -