Omar Adnan, Abdulsatar J. AL-Juburie, and Lieth A. Majed. “On The Category of Graded Module”. Academic Science Journal 1, no. 1 (January 1, 2023): 182–197. Accessed September 9, 2025. https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/55.