Revuelta Menéndez, J., and C. Ximénez Gómez. “Mean Structure Analysis from an Irt Approach: An Application in the Context of Organizational Psychology”. Psicothema, vol. 24, no. Número 4, Dec. 2012, pp. 653-60, https://reunido.uniovi.es/index.php/PST/article/view/9718.