TY  - GEN
AU  - Kalbag,Asha
AU  -  Jonathan Sheikh-Miller.
TI  - Usborne computer guides homework on your computer/ 
SN  - 9780746033463
AV  - QA76.15 
PY  - 1999///
CY  - London: 
PB  - Usborne, 
KW  - Computer science
N1  - Includes index
ER  -