TY  - BOOK
AU  - Kaufman, Charlie
AU  - Perlman, Radia
AU  - Speciner, Mike
TI  - Network security: Private communication in a public world 
SN  - 9789332578210
U1  - 005.8 
PY  - 2017///
CY  - Uttar Pradesh
PB  - Pearson india education services Pvt. Ltd.
ER  -