LIU, P. An Extended TOPSIS Method for Multiple Attribute Group Decision Making Based on Generalized Interval-valued Trapezoidal Fuzzy Numbers. Informatica, [S. l.], v. 35, n. 2, Disponível em: https://puffbird.ijs.si/index.php/informatica/article/view/343. Acesso em: 30 jul. 2025.