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Sampling in auditing : a simplified guide and statistical tables
Hill, Henry P., (1962)
Uso del muestreo para obtener estadǐsticas economicas continuas
Allen, R. G. D., (1964)
The sample design
Platek, Richard, (1968)
Onevenwichtighenden in de fiscale behandeling van het wegverkeer
Walter, J., (1964)
Transito-verkeerspolitiek
Walter, J., (1952)
Logarithmic normal distribution and its application in the analyses of households stratified by incomes
Walter, J., (1962)