“Some New Types of Fuzzy Closed Sets, SeparationAxioms, and Compactness via Double Fuzzy Topologies”.
European Journal of Pure and Applied Mathematics 17, no. 4 (October 31, 2024): 4093–4111. Accessed November 7, 2024.
https://www.ejpam.com/index.php/ejpam/article/view/5573.