Mahima Thakur, F. Smarandache, and S. S. Thakur, “ Neutrosophic semi δ-preopen sets and neutrosophic semi δ-pre continuity”, Neutrosophic Sets Syst., vol. 73, pp. 400–414, Sep. 2024, Accessed: Dec. 26, 2024. [Online]. Available: https://fs.unm.edu/nss8/index.php/111/article/view/5059