H. Majeed AR, F. Adhab E. On Maps Of Period 2 On Prime Near – Rings. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2017 Aug. 9 [cited 2024 Nov. 15];7(2):72-9. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/66