TY  - BOOK
AU  - Pillai,R.S.N.,
TI  - Practical statistics
SN  - 81-219-0044-1
U1  - 519.5 
PY  - 1987///
CY  - New delhi
PB  - S. Chand & company ltd.
KW  - Probabilities & applied mathematics
KW  - Statistics
ER  -