رشوان ربيع عبده أحمد. Differential Item Function and its Impact on the Differential Test Function Using Item Response Theory Models and Multiple Group Confirmatory Factor Analysis. Humanities and Educational Sciences Journal, [S. l.], v. 6, n. 15, p. 44–93, 2021. DOI: 10.55074/hesj.v6i15.223. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/223. Acesso em: 26 aug. 2026.