ABADIE, A.; DIAMOND, A.; HAINMUELLER, J. Synth: An R Package for Synthetic Control Methods in Comparative Case Studies. Journal of Statistical Software, [S. l.], v. 42, n. 13, p. 1–17, 2011. DOI: 10.18637/jss.v042.i13. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v042i13. Acesso em: 18 apr. 2024.