TY  - BOOK
AU  - Satish Jain,
TI  - "O"- LEVEL: Made Simple Information Technology: Made simple Information Technology
SN  - 81-7656-150-9
U1  - 621.38195 
PY  - 2002///
CY  - New Delhi
PB  - BPB Publications
KW  - INFORMATION TECHNOLOGY
ER  -