TY  - BOOK
AU  - GUPTA, RAJIV
AU  - NAGRATH, I J
TI  - Introduction to Systems
U1  - 003 
PY  - 2005///
CY  - New Delhi
PB  - New Age International
KW  -  ELECTRONIC COMMERCE
KW  -  SYSTEM ANALYSIS TOOLS
KW  - COMPUTER SCIENCE
ER  -