TY  - BOOK
AU  - Das,N.G.
TI  - Statistical methods : Vol.I+II
SN  - 9780070083271  
U1  - 519.5 
PY  - 2017///
CY  - New Delhi
PB  - McGraw Hill Education(India)     
KW  - Statistics
N1  - Includes index
ER  -