TY  - BOOK
AU  - Ghosh, Ram krishna.
AU  - Ghosh, Ram krishna.
AU  - Saha, Suranjan.
TI  - Business mathematics and statistics
SN  - 81-7381-065-6
U1  - STD650.01513 
PY  - 2010///
CY  - kolkata
PB  - Central educational enterprise (p) ltd.
ER  -