Opariuc-Dan, C., M. Grigoraș, A. Butucescu, A.-A. Sîrbu, and A. C. Dumbravă. “Assessment of Differential Item Functioning in Personnel Selection”. Psihologia Resurselor Umane, vol. 15, no. 2, Oct. 2019, pp. 138-4, https://www.hrp-journal.com/index.php/pru/article/view/48.