Abo Hadi SH, A’alem TA. Detecting Differential Items Functioning of a Criterion-Referenced Test for a Calculus Course (1) According to the modern theory; for students at Sana’a University according to the variables (gender, system, college). JEPS [Internet]. 2023 Apr. 28 [cited 2025 Dec. 20];7(13):1-21. Available from: https://www.ajsrp.ojsexpert.com/index.php/jeps/article/view/6338