TY  - GEN
AU  - Williams, Brian K.
AU  - Sawyer, Stacey C.
TI  - Using information technology : a practical introduction to computers and communications
SN  - 9781259255663
AV  - QA 76.5
PY  - 2015///
PB  - McGraw-Hill Education
KW  - Telecommunication systems
KW  - Information technology
N1  - 26849
ER  -