TY  - BOOK
AU  - Parsons,June
AU  - Oja,Dan
TI  - Computer concepts 2013: comprehensive 
SN  - 9781133190837
AV  - QA76.27 .P36 2013
PY  - 2013///
CY  - Boston, Mass.
PB  - Cengage Learning
KW  - Computers
KW  - Study and teaching
KW  - Problems exercises etc
ER  -