JOHNSON, J. L.; MULLER, K. E.; SLAUGHTER, J. C.; GURKA, M. . J. .; GRIBBIN, M. . J. .; SIMPSON, S. L. POWERLIB: SAS/IML Software for Computing Power in Multivariate Linear Models. Journal of Statistical Software, [S. l.], v. 30, n. 5, p. 1–27, 2009. DOI: 10.18637/jss.v030.i05. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v030i05. Acesso em: 24 jun. 2024.