Preethi Sara George. (1994). A study on ratio type estimators using several auxiliary variables. Dept of Statistics.
Chicago-стиль цитированияPreethi Sara George. A Study on Ratio Type Estimators Using Several Auxiliary Variables. Trivandrum: Dept of Statistics, 1994.
MLA-цитированиеPreethi Sara George. A Study on Ratio Type Estimators Using Several Auxiliary Variables. Dept of Statistics, 1994.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.