TY  - BOOK
AU  - WILLIAM G COCHRAN
TI  - SAMPLING TECHNIQUES
SN  - 9971512718
U1  - 519.52/COC/SAM 
PY  - 1999///
CY  - New Delhi
PB  - WILEY EASTERN LIMITED
KW  - MATHEMATICS
KW  - PROBABILITIES & APPLIED MATHEMATICS
ER  -