MUHAMMED, Mustapha Onoruoyiza; IBRAHIM, Musa Adeku. Hybrid Membership Functions in Fuzzy Systems: A Survey of Structures, Applications, and Research Gaps. FUDMA Journal of Sciences, [S. l.], v. 10, n. 17, 2026. DOI: 10.33003/fjs-2026-1017-5950. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/5950. Acesso em: 24 sep. 2026.