TY  - BOOK
AU  - Cochran,William G
TI  - Sampling Techniques
SN  - 9788126515240
U1  - 519.52 
PY  - 1999///
CY  - New Delhi: 
PB  - Wiley, 
KW  - Random Sampling
KW  - Sampling Techniques
KW  - Statistics
KW  - Stratified Sampling
ER  -