The Construction of an Abelian Group from The Set of Triangular Fuzzy Numbers. Journal of the Indonesian Algebra Society, [S. l.], v. 1, n. 1, p. 8–16, 2026. Disponível em: https://indoas.id/journal/index.php/JIAS/article/view/jias.8.16.2026. Acesso em: 15 jun. 2026.