MEHTA, Nitu; MANDOWARA, V. L. Some Efficient Methods to Remove Bias in Ratio and Product Types Estimators in Ranked Set Sampling. International Journal of Bio-resource and Stress Management, [S. l.], v. 13, n. Mar, 3, p. 276–282, 2022. Disponível em: https://ojs.pphouse.org/index.php/IJBSM/article/view/4211. Acesso em: 21 sep. 2025.