KUZNETSOVA, A.; BROCKHOFF, P. B.; CHRISTENSEN, R. H. B. lmerTest Package: Tests in Linear Mixed Effects Models. Journal of Statistical Software, [S. l.], v. 82, n. 13, p. 1–26, 2017. DOI: 10.18637/jss.v082.i13. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v082i13. Acesso em: 5 oct. 2022.