Preethi Sara George. (1994). A study on ratio type estimators using several auxiliary variables. Dept of Statistics.
シカゴスタイル引用形Preethi Sara George. A Study on Ratio Type Estimators Using Several Auxiliary Variables. Trivandrum: Dept of Statistics, 1994.
MLA引用形式Preethi Sara George. A Study on Ratio Type Estimators Using Several Auxiliary Variables. Dept of Statistics, 1994.
警告: この引用は必ずしも正確ではありません.