Khalaf, Hatem Yahya, and Hadi Ghali Rashed. “Quasi-Fully Cancellation Fuzzy Modules”. Ibn AL-Haitham Journal For Pure and Applied Sciences 30, no. 1 (June 11, 2017): 192–207. Accessed May 1, 2025. https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/1071.