FATTAH, A. M. A.; RADY, E. A. On Sampling Distribution of Improved Estimators for Coefficients in Seemingly Unrelated Regression SUR Models. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 26, n. 2, p. 94–103, 2016. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3889. Acesso em: 23 jul. 2024.