SHENG, Y. Markov Chain Monte Carlo Estimation of Normal Ogive IRT Models in MATLAB. Journal of Statistical Software, [S. l.], v. 25, n. 8, p. 1–15, 2008. DOI: 10.18637/jss.v025.i08. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v025i08. Acesso em: 26 nov. 2022.