TY  - BOOK
AU  - Mukhopadhyay Parimal
TI  - Theory and methods of survey sampling
SN  - 81-203-1124-8
U1  - 000SA.08 
PY  - 1998///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Sampling-methods
ER  -