GROVER , Lovleen; SHARMA , Anchal. Improved classes of logarithmic type estimators of finite population mean in case of missing data. Brazilian Journal of Biometrics, [S. l.], v. 44, n. 1, p. e-44847, 2026. DOI: 10.28951/bjb.v44i1.847. Disponível em: http://200.131.250.9/index.php/BBJ/article/view/847. Acesso em: 3 mar. 2026.