Study of Fuzzy Boundary on the Basis of Reference Function. International Journal of Scientific Research in Science and Technology, [S. l.], v. 12, n. 3, p. 1058–1064, 2025. DOI: 10.32628/IJSRST25123107. Disponível em: https://mail.ijsrst.com/index.php/home/article/view/IJSRST25123107. Acesso em: 10 aug. 2025.