TY  - BOOK
AU  - Jain, Madhulika
AU  - Jain, Satish
TI  - O' level made simple: business systems
SN  - 81-7656-180-0
U1  - 005.43 21st
PY  - 2000///
CY  - New Delhi
PB  - BPB
KW  - Computer science-India; Electronic data processing-Data preparation; Electronic data processing; Database management
N1  - Module III
ER  -