TY  - BOOK
AU  - Gupta, C.B.
AU  - Gupta, Vijay
TI  - An introduction to statistical methods
SN  - 8125911103
AV  - QA276 .I5 G86 2002
PY  - 2002///
CY  - New Delhi
PB  - Vikas Publishing House
KW  - Statistical methods
ER  -