TURNER, H.; FIRTH, D. Bradley-Terry Models in R: The BradleyTerry2 Package. Journal of Statistical Software, [S. l.], v. 48, n. 9, p. 1–21, 2012. DOI: 10.18637/jss.v048.i09. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v048i09. Acesso em: 9 aug. 2022.