S. Broumi, F. Smarandache, and M. Dhar, “Rough Neutrosophic Sets ”, Neutrosophic Sets Syst., vol. 3, pp. 60–65, May 2014, Accessed: Jun. 22, 2025. [Online]. Available: https://fs.unm.edu/nss8/index.php/111/article/view/551