Mirza, Rasha Najah, and Thaar Younis Ghawi. “Principally G-Radical Supplemented Modules”. Journal of Al-Qadisiyah for Computer Science and Mathematics 15, no. 1 (February 17, 2023): Math Page 7–13. Accessed December 22, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/1145.