TY  - BOOK
AU  - Mukhopadhyay, Parimal.
TI  - Theory and methods of survey sampling / 
SN  - 81-203-1124-8
U1  - B28 
PY  - 1998///
CY  - New Delhi : 
PB  - Prentice-Hall of India Private Limited , 
KW  - Mathematic-Survey Sampling
ER  -