A. Kabban, Ali, and Wasan Khalid. “On E*-Singular-Hollow-Lifting Modules”. Journal of Al-Qadisiyah for Computer Science and Mathematics 16, no. 3 (September 30, 2024): Math. 81–90. Accessed November 21, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/1669.