PIKOUNIS, B.; OLEYNICK, J. The cg Package for Comparison of Groups. Journal of Statistical Software, [S. l.], v. 52, n. 1, p. 1–27, 2013. DOI: 10.18637/jss.v052.i01. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v052i01. Acesso em: 24 jul. 2024.