Kunal Kumar Singh, and Dr. Raj Narayan Singh, trans. “Study Of Generalization of Fuzzy Closed Sets”. International Journal of Scientific Research in Science and Technology 11, no. 4 (July 13, 2024): 559–564. Accessed January 12, 2026. https://www.ijsrst.technoscienceacademy.com/index.php/home/article/view/IJSRST24115126.