AL-Mothafar, Nuhad S., and Adwia J. Abdil -Khalik. “End á´ª -Prime Submodules”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 29, no. 2, Mar. 2017, pp. 262-70, https://jih.uobaghdad.edu.iq/index.php/j/article/view/115.