TY  - BOOK
AU  - ROYCHOWDHURY,S.
AU  - Bhattacharya,D.
TI  - Practical statistics
SN  -  9789380673004
U1  - 519.5 
PY  - 2010///
CY  - Kolkata
PB  - U.N.Dhur & sons
KW  - Statistics
ER  -