On r-fuzzy Soft δ-open Sets with Qpplications in Fuzzy Soft Topological Spaces. Eur. J. Pure Appl. Math. [Internet]. 2025 Jan. 31 [cited 2025 Feb. 6];18(1):5733. Available from: https://www.ejpam.com/index.php/ejpam/article/view/5733