OLSBJERG, M.; CHRISTENSEN, K. B. %lrasch_mml: A SAS Macro for Marginal Maximum Likelihood Estimation in Longitudinal Polytomous Rasch Models. Journal of Statistical Software, Code Snippets, [S. l.], v. 67, n. 2, p. 1–24, 2015. DOI: 10.18637/jss.v067.c02. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v067c02. Acesso em: 26 nov. 2022.