TY  - BOOK
AU  - Diwan, Parag Singh, Dharm Bir 
TI  - Computer networks and e-commerce 
SN  - 81-8683005-7 
U1  - 004.638 42 DIW  
PY  - 2000///
CY  - Pentagon press 
PB  - New Delhi 
KW  - COMPUTER NETWORK
ER  -