TY  - BOOK
AU  - Jain, Satish
TI  - 'O' level made simple module-1: IT tools and business systems 
SN  - 9788176567138
U1  - 005.43 3rd rev ed
PY  - 2013///
CY  - New Delhi
PB  - BPB publications
N1  - Includes index
ER  -