TY  - BOOK
AU  - Cochran, William G
TI  - Sampling techniques: _
SN  - 9788126515240
U1  - 519.52 
PY  - 2012///
CY  - New Delhi
PB  - Wiley India
KW  - 
KW  - Sampling (Statistics)
KW  - Statistical mathematics Sampling Techniques
ER  -