WALKER, S. C.; GUÉNARD, G.; SÓLYMOS, P. .; LEGENDRE, P. Multiple-Table Data in R with the multitable Package. Journal of Statistical Software, [S. l.], v. 51, n. 8, p. 1–38, 2012. DOI: 10.18637/jss.v051.i08. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v051i08. Acesso em: 18 aug. 2022.