Abu Masarrah , Ayat, and Yousef Al-Sawalmeh. “Using Rasch Trees Method to Detect Differential Item ‎Functioning in the Jordanian National Test in ‎Mathematics for Fourth Graders‎”. Jordan Journal of Educational Sciences 17, no. 1 (March 1, 2021): 119–134. Accessed March 29, 2025. https://jjes.yu.edu.jo/index.php/jjes/article/view/181.