Adoption of a new principle in determining the upper limit of the membership function and its applications . Journal of Madenat Alelem, [S. l.], v. 6, n. 1, p. 63–86, 2014. Disponível em: https://journal.mauc.edu.iq/index.php/JMAUC/article/view/195. Acesso em: 23 feb. 2026.