TY  - BOOK
AU  - Gupta, C. B.
AU  - Gupta, Vijay
TI  - An introduction to statistical methods
U1  - 519.5 22
PY  - 1992///
CY  - New Delhi
PB  - Vikas Pub. House Pvt Ltd.
KW  - Statistics
KW  - statistical methods
ER  -