ALTMAN, M.; FOX, J.; JACKMAN, S.; ZEILEIS, A. An Introduction to the Special Volume on "Political Methodology". Journal of Statistical Software, [S. l.], v. 42, n. 1, p. 1–5, 2011. DOI: 10.18637/jss.v042.i01. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v042i01. Acesso em: 30 apr. 2024.