CHALMERS, R. P. mirt: A Multidimensional Item Response Theory Package for the R Environment. Journal of Statistical Software, [S. l.], v. 48, n. 6, p. 1–29, 2012. DOI: 10.18637/jss.v048.i06. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v048i06. Acesso em: 3 feb. 2023.