S. PARVATHI. TWO BI-IDEAL IN TERNARY SEMIRING. Utilitas Mathematica , [S. l.], v. 122, n. Special Issue-1, p. 473–479, 2025. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/2255. Acesso em: 6 jul. 2026.