MATTHEW JOSHUA ISEH. Towards the Efficiency of the Ratio Estimator for Population Median in Survey Sampling. Global Journal of Science Frontier Research, [S. l.], v. 21, n. F4, p. 37–49, 2021. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/3019. Acesso em: 28 apr. 2024.