Balluerka, Nekane, Arantxa Gorostiaga, Juana Gómez-Benito, y María Dolores Hidalgo. 2010. «Use of Multilevel Logistic Regression to Identify the Causes of Differential Item Functioning». Psicothema 22 (Número 4):1018-25. https://reunido.uniovi.es/index.php/PST/article/view/8986.