TY  - BOOK
AU  - Gupta,S.P.
AU  - 
TI  - Statistical methods 
SN  - 978 93 5161 112 7
U1  - 310/G977s 
PY  - 0000///Sultan Chand
PY  - 2017///
CY  - New Delhi 
KW  - Statistics
KW  -   Statistics
N1  - Includes index bibliog
ER  -