H. Majeed, A. R. and F. Adhab, E. (2017) “On Maps Of Period 2 On Prime Near – Rings”, Journal of Al-Qadisiyah for Computer Science and Mathematics, 7(2), pp. 72–79. Available at: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/66 (Accessed: 3 April 2025).