TY  - BOOK
AU  - Singh, Daroga
AU  - Chaudhary, F.S.
TI  - Theory and analysis of sample survey designs
SN  - 0 85226 910 2
U1  - 519.52 
PY  - 1989///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Cluster estimation
KW  - Sampling theory
KW  - Survey design
N1  - Includes bibliographical references and index
ER  -