Ramadan Mehdi, Akeel, and Adel Salim Tayyah. “SS-Flat Modules”. Journal of Al-Qadisiyah for Computer Science and Mathematics 8, no. 2 (August 7, 2017): 34–44. Accessed May 18, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/31.