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An introduction to sampling theory : with applications to agriculture
Sampford, M. R., (1962)
Sampling techniques
Cochran, William G., (1953)
Stochastic compactness of sample extremes
Haan, L. de, (1977)
Statistical methods : applied to experiments in agriculture and biology
Snedecor, George W., (1964)
Statistical methods
Snedecor, George W., (1967)