TY  - BOOK
AU  - Elhance,D N
TI  - Practical problems in statistics
U1  - 519 ELH 
PY  - 1952///.
CY  - Allahabad : 
PB  - Kitab Mahal, 
KW  - Probablity
KW  - Sampling
KW  - Statistics
ER  -