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A short manual on sampling
(1960)
Sampling techniques
Cochran, William G., (1953)
A study of truncation and censoring with economic subsidary conditions
Zackrisson, Uno, (1962)
On the foundations of survey sampling
Rao, J. N. K., (1975)
On three procedures of unequal probability sampling without replacement
Rao, J. N. K., (1963)
Some nonresponse sampling theory when the frame contains an unknown amount of duplication
Rao, J. N. K., (1968)