KRÓL, Agnieszka; SAINT-PIERRE, Philippe. SemiMarkov: An R Package for Parametric Estimation in Multi-State Semi-Markov Models. Journal of Statistical Software, [S. l.], v. 66, n. 6, p. 1–16, 2015. DOI: 10.18637/jss.v066.i06. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v066i06. Acesso em: 30 mar. 2025.