SINGH, H. P.; TAILOR, R. Estimation of finite population mean with known coefficient of variation of an auxiliary character. Statistica, [S. l.], v. 65, n. 3, p. 301–313, 2005. DOI: 10.6092/issn.1973-2201/1299. Disponível em: https://rivista-statistica.unibo.it/article/view/1299. Acesso em: 25 apr. 2024.