Ratio estimators in simple random sampling. - Cem Kadilar; Hulya Cingi (Appl. Math. Comput., 2004)

A new estimator using two auxiliary variables. - Cem Kadilar; Hulya Cingi (Appl. Math. Comput., 2005)

Ratio estimators for the population variance in simple and stratified random sampling. - Cem Kadilar; Hulya Cingi (Appl. Math. Comput., 2006)

Improvement in estimating the population mean in simple random sampling. - Cem Kadilar; Hulya Cingi (Appl. Math. Lett., 2006)