Cheng-Fu Yang. “The Interior and Closure of Fuzzy Topologies Induced by the Generalized Fuzzy Approximation Spaces”. Journal of Computational Analysis and Applications (JoCAAA) 29, no. 2 (March 20, 2021): 383–389. Accessed December 19, 2024. https://eudoxuspress.com/index.php/pub/article/view/157.