LIM, H.; WELLS, C. S. [RETRACTED ARTICLE] irtplay: An R Package for Unidimensional Item Response Theory Modeling. Journal of Statistical Software, [S. l.], v. 103, n. 12, p. 1–42, 2022. DOI: 10.18637/jss.v103.i12. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v103i12. Acesso em: 30 sep. 2022.