TY  - BOOK
AU  - Pillai,R.S.N., x
AU  - x
TI  - Practical statistics: x
SN  - 8121900441
U1  - 310/P641p 
PY  - 1987///
CY  - New Delhi
PB  - S, Chnad
KW  - Statistics
N1  - x
ER  -