COX, N. The Grammar of Graphics. Journal of Statistical Software, Book Reviews, [S. l.], v. 17, n. 3, p. 1–7, 2007. DOI: 10.18637/jss.v017.b03. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v017b03. Acesso em: 30 nov. 2021.