GRAUMANN, J.; COTTON, R. multipanelfigure: Simple Assembly of Multiple Plots and Images into a Compound Figure. Journal of Statistical Software, Code Snippets, [S. l.], v. 84, n. 3, p. 1–10, 2018. DOI: 10.18637/jss.v084.c03. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v084c03. Acesso em: 28 apr. 2024.