ALHEIALY, O.; MOHAMMED, M. A comparison among robust estimation methods for structural equations modeling with ordinal categorical variables. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 17, n. 2, p. 89–101, 2020. DOI: 10.33899/iqjoss.2020.0167418. Disponível em: https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29187. Acesso em: 5 sep. 2025.