TY  - BOOK
AU  - Jain, Satish
AU  - Singh, Shashi
AU  - Jain, Shashank
AU  - Jain, Satish
TI  - O level made simple computercourse
SN  - 81-7656-729-9
PY  - 2003///
CY  - New Delhi
PB  - BPB Publications
ER  -