TY  - BOOK
AU  -  Gupta,S. P. 
TI  - Statistical methods
SN  - 818054561
AV  - QA 276.12 .G8 2008.
PY  - 2008///
CY  - New Dehli
PB  - Sultan Chand and sons
KW  - Statistics
N1  - Includes index
ER  -