Sulaiman, Barah M., and Tahir H. Ismail. “Computing the Fuzzy Topological Relations of Countries Affected by Congenital Disease”. Journal of Al-Qadisiyah for Computer Science and Mathematics 11, no. 4 (January 23, 2020): Math Page 94 – 101. Accessed November 24, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/652.