TY  - BOOK
AU  - Das,N.G.
TI  - Statistical methods(Pt.II):  in commerce, accountancy & economics 
U1  - 519.5 
PY  - 0000///[19?]
CY  - Calcutta
PB  - M.Das & Co.
KW  - Collection Of General Statistics
N1  - Includes index
ER  -