SANGNAWAKIJ, P. . Regression-in-Ratio Estimator and Confidence Interval for the Population Mean for Data with Outliers. Science & Technology Asia, [S. l.], v. 27, n. 2, p. 42–57, 2022. Disponível em: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/246818. Acesso em: 1 oct. 2022.