Hernández, A., & González-Romá, V. (2003). Evaluating the Multiple-Group Mean and Covariance Structure Analysis model for the detection of Differential Item Functioning in polytomous ordered items. Psicothema, 15(Número 2), 322–327. Recuperado a partir de https://reunido.uniovi.es/index.php/PST/article/view/8126