Preethi Sara George. (1994). A study on ratio type estimators using several auxiliary variables. Dept of Statistics.
Styl ChicagoPreethi Sara George. A Study on Ratio Type Estimators Using Several Auxiliary Variables. Trivandrum: Dept of Statistics, 1994.
Citace podle MLAPreethi Sara George. A Study on Ratio Type Estimators Using Several Auxiliary Variables. Dept of Statistics, 1994.
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