VINH, L. X.; THÀNH, T. T.; VIỆT, L. X. On some normal forms in the fuzzy databases with linguistic data. Journal of Computer Science and Cybernetics, [S. l.], v. 29, n. 4, p. 369–378, 2013. DOI: 10.15625/1813-9663/29/4/4344. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/4344. Acesso em: 27 apr. 2024.