TY  - BOOK
AU  - Ray Ajoy Kumar 
TI  - Information technology :  : principles and applications
SN  - 9788120321847
U1  - 004 RAY 
PY  - 2004///
CY  - New Delhi : 
PB  - Prentice-Hall of India, 
KW  - Information technology
N1  - Includes index
ER  -