TY  - GEN
AU  - Shelly,Gary B.
AU  - Jeffery J.Quansney,Susan L.Sebok and Steven M.Freund.
TI  - Discovering computers: living in a digital world 2011
SN  - 9781439081181
PY  - 2011///
CY  - United States
PB  - Cengage learning
KW  - Computers
KW  - Computer Science
KW  - Computer network
ER  -