TY  - GEN
AU  - Pillai, R.S.N.
AU  - Bagavathi
TI  - Practical statistics
SN  - 8121900441
U1  - 519.5 
PY  - 1987///
CY  - New Delhi
PB  - S.Chand 
KW  - Applied mathematics
KW  - Statistica; mathematics
KW  - Statistics
ER  -