TY  - BOOK
AU  - Chacko, V. J.
TI  -  A manual on sampling techniques for forest surveys,
U1  - 634.9 
PY  - 1965///
CY  - Delhi
PB  -  Manager of Publications
KW  - Forests and forestry
KW  - India
KW  -  Statistical methods
KW  - Sampling (Statistics)
ER  -