TY  - BOOK
TI  - Computers : : concepts and applications for users 
SN  - Nickerson, Robert C.
AV  - QA 76.5 N 524 1990
PY  - 1990///
CY  - Glenview 
PB  - : Scott, Foresman
KW  - Computadoras
KW  - - Software
ER  -