“Some Characterizations of \((r,s)\)-Fuzzy \(b\)-Open Sets With Applications in Double Fuzzy Topological Spaces”. European Journal of Pure and Applied Mathematics 18, no. 2 (May 1, 2025): 5911. Accessed December 5, 2025. https://www.ejpam.com/index.php/ejpam/article/view/5911.