TY  - GEN
AU  - Gupta,S.P.
TI  - Statistical methods: contains besides theory, about 1000 fully solved illustrations and about 1300 problems with answers
SN  - 818054298X
U1  - 001.422 
PY  - 2006///r
CY  - New Delhi
PB  - Sultan Chand
N1  - includes  appendix
ER  -