TY  - BOOK
AU  - Kaufman Charlie 
AU  - Perlman Radia 
TI  - Network Security Private Communication in a Public World 
SN  - 9789332578210
U1  - 681.324 KAU 
PY  - 2023///
CY  - New Delhi
PB  - Pearson Education
KW  - Computer Networks
ER  -