TIKKA, S.; KARVANEN, J. Identifying Causal Effects with the R Package causaleffect. Journal of Statistical Software, [S. l.], v. 76, n. 12, p. 1–30, 2017. DOI: 10.18637/jss.v076.i12. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v076i12. Acesso em: 30 nov. 2022.