TY  - BOOK
AU  - Gupta, S.P. and Gupta, Archana
TI  - Statistical Methods
SN  - 81-7014-409-4
U1  - 519.5   Gup.P2 4th. Ed.
PY  - 2002///
CY  - New Delhi
PB  - Sultan Chand and Sons
ER  -