Some arithmetic operations on triangular intuitionistic fuzzy number and its application in solving linear programming problem by dual-simplex algorithm. Nonlinear Studies, [S. l.], v. 28, n. 4, 2021. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/2738. Acesso em: 14 jan. 2026.