THÀNH, T. T. Some extensions of Data summaries on Fuzzy Relational Databases. Journal of Computer Science and Cybernetics, [S. l.], v. 19, n. 1, p. 17–27, 2012. DOI: 10.15625/1813-9663/19/1/1517. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1517. Acesso em: 7 may. 2024.