Ramadan Mehdi, Akeel, and Adel Salim Tayyah. “SS-Injective Modules and Rings”. Journal of Al-Qadisiyah for Computer Science and Mathematics 9, no. 2 (November 15, 2017): Math 57–70. Accessed December 21, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/296.