TY  - BOOK
AU  - Das, N. G.
TI  - Statistical methods (Vol.I & II)
SN  - 978-0-07-008327-1
U1  - 363.31 
PY  - 2015///
CY  - New Delhi
PB  - McGraw Hill Education
KW  - STATISTICS
N1  - Library fund
ER  -