Gaze Salih Al-Khafajy, Dheia, and Mohammed Abdulridha Mutar. “On DM- Compact Smarandache Topological Semigroups”. Journal of Al-Qadisiyah for Computer Science and Mathematics 8, no. 2 (August 7, 2017): 25–33. Accessed May 18, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/30.