BANSAL, M. L.; SINGH, R. An alternative estimator for multiple characteristics corresponding to Hurwitz and Thompson estimator in probability replacement sampling. Statistica, [S. l.], v. 49, n. 3, p. 447–452, 1989. DOI: 10.6092/issn.1973-2201/809. Disponível em: https://rivista-statistica.unibo.it/article/view/809. Acesso em: 4 may. 2024.