LINZER, D. A.; LEWIS, J. B. poLCA: An R Package for Polytomous Variable Latent Class Analysis. Journal of Statistical Software, [S. l.], v. 42, n. 10, p. 1–29, 2011. DOI: 10.18637/jss.v042.i10. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v042i10. Acesso em: 20 apr. 2024.