SƠN, T. T.; THÁI, L. Q.; NAM, N. V. Hedge algebras and problems of fuzzy ranking Vietnamese documents. Journal of Computer Science and Cybernetics, [S. l.], v. 24, n. 1, p. 87–96, 2012. DOI: 10.15625/1813-9663/24/1/1231. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1231. Acesso em: 2 may. 2024.