SINGH, H. P.; TAILOR, R. Estimation of finite population mean using known correlation coefficient between auxiliary characters. Statistica, [S. l.], v. 65, n. 4, p. 407–418, 2005. DOI: 10.6092/issn.1973-2201/1300. Disponível em: https://rivista-statistica.unibo.it/article/view/1300. Acesso em: 26 apr. 2024.