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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)
Impact of import liberalisation on exports
Singh, D., (1994)
[Besprechung von:] Containing inflation in the environment of 1970's. New York 1971
Singh, D., (1972)
Inventory behaviour in government companies in India : a time-series study
Singh, D., (1981)