TY  - BOOK
AU  - Prakash, Dev
TI  - Information technology :a reference book 
SN  - 81-7884-030-8
U1  - 004 23rd. ed.
PY  - 2002///
CY  - New Delhi
PB  - Cyber Tech Publications
KW  - Information technology
UR  - www.cybertechpublications.com
ER  -