TY  - BOOK
AU  - Das,N.G.
TI  - Statistical methods (PartI):  in commerce, accountancy & economics 
U1  - 519.5 
PY  - 1996///
CY  - Calcutta
PB  - M.Das & Co.
KW  - Statistics
KW  - Collection  of General Statistics
N1  - Includes index
ER  -