AL-SUBAIHI, Ali A. Variable Selection in Multivariable Regression Using SAS/IML. Journal of Statistical Software, [S. l.], v. 7, n. 12, p. 1–20, 2002. DOI: 10.18637/jss.v007.i12. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v007i12. Acesso em: 9 apr. 2025.