“قياس الجراة الاجتماعية لدى طلبة الجامعة”, jperc, vol. 12, no. 44, pp. 387–411, Jan. 2015, Accessed: May 06, 2025. [Online]. Available: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/451