WOJTYŚ, M.; MARRA, G.; RADICE, R. Copula Regression Spline Sample Selection Models: The R Package SemiParSampleSel. Journal of Statistical Software, [S. l.], v. 71, n. 6, p. 1–66, 2016. DOI: 10.18637/jss.v071.i06. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v071i06. Acesso em: 21 nov. 2024.