Team, Support. “Soft Theta-Topology Based on Many-Valued Logic: Osama Rashed Sayed, Ahmed Mostafa Khalil”. Thai Journal of Mathematics 20, no. 2 (June 30, 2022): 759–783. Accessed July 3, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1360.