TY  - BOOK
AU  - Satish Jain
AU  - Shashi singh
AU  - Madulika jain
TI  - 'O' level made simple business systems
U1  - 004 
PY  - 2009///
CY  - New Delhi
PB  - BPB publication
N1  - Management; O level, business system
N2  - O level, business system
ER  -