TY  - GEN
AU  - Sawyer, Stacey C.Brian . K .W
TI  - Using information technology: a practical introduction to computers & communications
SN  - 9780070607491
U1  - 004  
PY  - 2005///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Computers
KW  - Telecommunication systems
KW  - Information technology
ER  -