TY  - BOOK
AU  - Gupta C.B &Gupta Vijay
TI  - An introduction to statistical methods : 23rd Revised
SN  - 8125916547
AV  - HA 29 .G 91783 2004
PY  - 2004///
CY  - India New Delhi
PB  - Vikas
KW  - statistics
N1  - Appendix, statistical tables
ER  -