GRIGOROVA, D. EM ALGORITHM FOR MAXIMUM LIKELIHOOD ESTIMATION OF CORRELATED PROBIT MODEL FOR TWO LONGITUDINAL ORDINAL OUTCOMES. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 104, p. 217–232, 2017. Disponível em: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/47. Acesso em: 4 dec. 2024.