TY  - BOOK
AU  - Gupta,C B.
AU  - Gupta,Vijay  .
TI  - An Introduction to statistical methods / 
SN  - 8125916547
U1  - 519.5 
PY  - 2008///
CY  - New Delhi : 
PB  - Vikas Publishing House , 
KW  - STATISTICAL METHODS
N1  - Includes index
ER  -