TY  - BOOK
AU  - Williams, Brian K.
AU  - Sawyer, Stacey C.
TI  - Using Information Technology a Practical Introduction to Computers and Communications 
SN  - 9780073516882
U1  - 004 
PY  - 2015///
CY  - New York, Ny : 
PB  - McGraw-Hill Education, 
KW  - Information Technology
KW  - Telecommunication Systems
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/978-0-07-351688-2.pdf
ER  -