DRUKKER, D. M.; GATES, R. B. State Space Methods in Stata. Journal of Statistical Software, [S. l.], v. 41, n. 10, p. 1–25, 2011. DOI: 10.18637/jss.v041.i10. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v041i10. Acesso em: 2 may. 2024.