TY  - BOOK
AU  - Das, S.P..
AU  - Sen Gupta, A.M..
TI  - Elementary Statistics
U1  - 531.1 
PY  - 1946///
CY  - Calcutta
PB  - Chuckervertty, Chatterjee & Co., LTD
KW  - Statistics
KW  - G-Physics
ER  -