TY  - BOOK
AU  - Daroga Singh
AU  -  Chaudhary F S
TI  - Theory and analysis of sample survey designs
U1  - B2817u, M6;4 
PY  - 1986///
CY  - India
PB  - Wiely eastern limited       
KW  -  mathematics
KW  - sample survey designs
N1  - Bibiographical references 367-368p
ER  -