Altıntaş, Özge, and Ömer Kutlu. “Investigating Differential Item Functioning of Ankara University Examination for Foreign Students by Recursive Partitioning Analysis in the Rasch Model”. International Journal of Assessment Tools in Education, Vol. 6, no. 4, Nov. 2019, pp. 602-16, http://ijate.net/index.php/ijate/article/view/793.