TY  - BOOK
AU  - Singh,Daroga, Chandhary,F.S.
AU  - x
TI  - Theory & analysis of sample survey designs: x
SN  - 0852269102 
U1  - 519.5/S617t 
PY  - 1986///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Sampling(statistics)
ER  -