TY  - GEN
AU  - Pillal , R.S.N.
AU  - Bagavathi
TI  - Practical statistics
SN  - 8121900441
U1  - 519.5 
PY  - 1987///
CY  - New Delhi
PB  - S.Chand
KW  - MATHEMATICS
KW  - STATISTICAL MATHEMATICS
ER  -