BAN, Đoàn V.; HÀ, H. C.; QUẢNG, V. Đức. Normalizing object classes in fuzzy object-oriented database schema. Journal of Computer Science and Cybernetics, [S. l.], v. 27, n. 2, p. 131–141, 2012. DOI: 10.15625/1813-9663/27/2/497. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/497. Acesso em: 4 may. 2024.