TY  - BOOK
AU  - Sawyer,Stacey C.; Williams,Brian K.
TI  - Using information technology : a practical introduction to computers and communications
SN  - 9781259012280
PY  - 2013///
CY  - New York 
PB  - McGraw-Hill.
KW  - Computers
KW  - Telecommunication System
KW  - Information Technology
ER  -