Amin, Ruhul, Dewan Muslim Ali, and Sahadat Hossain. “T\(_1\) CONCEPTS IN FUZZY BITOPOLOGICAL SPACES”. Italian Journal of Pure and Applied Mathematics 35 (December 31, 2015): 339–346. Accessed August 16, 2026. https://journals.uniurb.it/index.php/ijpam/article/view/6427.