TY  - BOOK
AU  - Gupta, S.P. and Gupta,  Uma
TI  - Statistical Methods
SN  - 978-81-8054 -457-5
U1  - 519.5   Gup.P8 11th.
PY  - 2008///
CY  - New Delhi
PB  - Sultan Chand and Sons
ER  -