Abhishek Kumar Yadav, and Dr. R. N. Singh, trans. “Study of Fuzzy Boundary on the Basis of Reference Function”. International Journal of Scientific Research in Science and Technology 12, no. 3 (June 6, 2025): 1058–1064. Accessed February 28, 2026. https://mail.ijsrst.com/index.php/home/article/view/IJSRST25123107.