TY  - BOOK
AU  - Des Raj
AU  - Chandhok Promod
TI  - Sample survey theory
SN  - 81-7319-136-0
U1  - 000SA.081 
PY  - 1998///
CY  - New Delhi
PB  - Narosa
KW  - Sample survey
KW  - Sampling
ER  -